1, the pinyin of Su character is Si; 2. Interpretation of the word "Su": (1) Original meaning: (shape) fast; Quick: ~ Slide | ~ Run. (2) (Shape) Speed: fast ~| medium ~. (3) Booking (dynamic) invitations: uninvited guests.
Sentence making, pinyin and detailed explanation of some quick words;
1, high-speed steel sentence: Then according to the different properties of die steel and high-speed steel, tell everyone the prices of general die steel and high-speed steel, so that everyone can have a reference when buying again in the future.
Description: An alloy steel is made by adding chromium and tungsten to the steel. When the temperature is as high as 600 degrees Celsius, the cutting ability will not be lost, and it is mainly used to manufacture high-speed cutting tools.
2. Sentence-making with accelerated motion: This paper briefly introduces the differences between Chinese and Western scholars' understanding of the linear accelerated motion of objects from the 4th century BC to the 1st century AD, and probes into the main reasons for these differences.
Note: The movement with increasing speed is a kind of variable speed movement.
3. Linear speed sentence: When machining parts with large differences in end face, arc, cone and path diameter, feed along the X-axis direction. Although the feed speed is constant, the cutting linear speed is constantly changing, resulting in changes in the quality of the machined surface.
Note: The distance that a particle moving in a curve moves on the curve per unit time is equal to the product of angular velocity (expressed by radian per second) and the radius of the circle, and its direction is the direction of the tangent of each point.
4. Instantaneous velocity sentence: Using IFA300 two-dimensional constant-temperature hot-wire anemometer system, the cold flow field of double swirl gas burner model is experimentally studied, and the instantaneous velocity distribution and turbulent intensity characteristics at different positions of the flow field are measured.
Explanation: The speed at which an object moves at variable speed at a certain moment or position.
5. Uniform motion sentence-making: This paper mainly studies the restoration of uniform motion blurred images. There are many cases of non-uniform motion in daily life, which can be considered as the result of the synthesis of uniform linear motion and need further study.
Description: the movement of objects with the same distance per unit time.
6. Variable-speed motion sentence: The unsteady variation law of supercavitation length and shape during variable-speed motion (such as speed pulse change, acceleration or deceleration, etc.) of conical cavitator is analyzed. ).
Description: Objects move through unequal distances in equal time.
7. High-speed cutting sentence: The existence of residual stress on the surface of high-speed cutting has a significant impact on the mechanical properties of parts, especially the fatigue life, and is also an important cause of process defects such as deformation and cracking.
Explanation: the process of cutting metal workpieces at high speed with tools such as cemented carbide, ceramics or synthetic diamond. It can significantly improve labor productivity and workpiece surface smoothness.
8. Angular velocity sentence: When the magnetorheological fluid completely yields, the angular velocity of the magnetorheological fluid increases nonlinearly with the radius, and the stronger the magnetic field in the working gap, the more obvious the nonlinear distribution of the flow field;
Description: The angle of rotation of an object in unit time. For an object rotating at a uniform speed, angular velocity = rotation angle/time.
9. Speed ratio sentence: Unless the gas supply system is specially configured to meet the requirements of this type of actuator, the combination of high gear speed ratio and long stroke may exhaust the whole gas supply system.
Note: See [Transmission Ratio].
10, speed ratio sentence: The brand-new power plant is characterized by gear transmission structure, which makes the front-end fan rotate twice as fast as the central slow three, and optimizes the speed of each part of the engine.
Note: See [Transmission Ratio].
1 1, cosmic speed sentence: escape speed: the speed that an object must have in order to get rid of the gravity of another object, such as the second cosmic speed of the earth.
Explanation: the speed at which an object leaves the earth and enters interstellar space under the action of gravity. The cosmic speed is divided into three levels: the first cosmic speed, the second cosmic speed and third cosmic velocity.
12, rate sentence: For example, this server takes a long time to start, which is not important for many server applications: the important running rate of transaction performance after startup.
Description: The distance traveled by a moving object in a unit time.
13, accelerated sentence: He asked a graduate student to run on a treadmill with many electrodes attached to his body to record his muscle contraction. Put a dog collar on his forehead and measure the acceleration of head movement.
Explanation: the ratio of the change of speed to the time taken for this change, that is, the change of speed per unit time. For example, an object falls freely from the air with an acceleration of 980 cm/s/s.
14, deceleration statement: Taking the uniform acceleration-uniform deceleration motion as an example, the relationship between measurement error and acceleration is analyzed, and the simulation results verify the feasibility of this method.
Description: The movement with decreasing speed is a kind of variable speed movement.
15, quick-acting sentence: "Virtual gastric band method" is a new hypnotherapy provided by Essex Life House Hot Springs. This is a quick-acting therapy for people who like KFC but don't want to lose weight with Zumba (the most popular fitness course in the world).
Commentary: The results were achieved quickly.
16, shorthand sentence-making: When she was a minor, she worked as a waitress, stenographer, bookkeeper and other low-paying jobs, and also worked as an assistant to Bennett, who will become the Prime Minister of Canada in the future.
Explanation: (1) Record words quickly with simple phonetic notation. (2) the method of shorthand.
17, Accelerator in a word: If the host operating system and the guest operating system run on the same processor architecture, then you can use the QEMU accelerator (KQEMU) to achieve near-local performance.
Description: The device for artificially generating high-speed moving particles is a tool for studying the properties of atomic nuclei and elementary particles. There are many kinds of accelerators, such as electrostatic accelerator, cyclotron, linear accelerator and synchrotron.
18, speed sentence: You have your own speed in life. If you use your most natural pace, all your efforts will become success, and all your goals can be easily achieved.
Explanation: (1) The distance traveled by a moving object in a certain direction per unit time. ② refers to the degree of speed.
19, escape speed sentence: escape speed, escape speed: the speed that an object must have in order to get rid of the gravity of another object, such as the second cosmic speed of the earth.
Explanation: See [Second Universe Velocity].
20. Sketch sentences: Unlike TMZ, Popzilla does not broadcast breaking news, but plays short films within one minute, and uses sketch animation to tease the most popular celebrity stories every week.
Explanation: (1) A drawing method in which the main features of an object are quickly drawn with simple lines while observing the object. (2) A style that briefly describes things and reports them to readers in time.
2 1, quick sentence: On that night in late March, 2003, Muhammad not only gave me a crash course in Iraqi Arabic, but also made me understand that even in the worst environment, the human soul can keep forbearance and even flourish.
Explanation: shorten the learning cycle and finish it quickly in a short time.
22. Transmission sentence: Allegro may have a strange square steering wheel, and the transmission is uncomfortable. "It's like stirring a bag of marble with a needle," said one user.
Description: The device for changing the running speed or traction of machine tools, automobiles, tractors and other machines consists of many gears with different diameters. Usually installed between the driving shaft and the driven shaft of the engine.
23. Reaction speed sentence: Executive function includes some basic functions such as brain processing speed, reaction speed and working memory. A house number memorized on the way from the car to the meeting place belongs to the category of working memory.
Explanation: The speed of chemical reaction. It is usually expressed by the decrease of reactant concentration or the increase of product concentration per unit time.
24. Isokinetic Motion Sentence: In this paper, we use high-speed cameras to explore the phenomenon of liquid surface impact when a vehicle carrying liquid stops due to emergency braking under isokinetic motion.
Description: See Uniform Motion.
25. Make sentences quickly: John, a Roman military expert at St Andrews University? Dr JonCoulston said: "This is not a quick attack. It lasted for three days. "
Description: quick fix: quick fix ~.
26. Orbital speed sentence: However, we find that in spiral galaxies, the orbital speed is either constant or only slightly increases with the distance from the core.
Description: See [First Cosmic Velocity].
27. moderator sentence: heavy water can be used as moderator for nuclear power plants to slow down fast-moving neutrons in order to react with reactor fuel.
Description: A substance used in an atomic reactor to slow down the neutron speed to control the chain reaction. This substance absorbs little or no neutrons. Graphite, heavy water and beryllium can all be used as moderators. Also known as moderator.
28. The first cosmic speed sentence: In some problems, when a spacecraft runs at the first cosmic speed, it means that the spacecraft is running along the surface of the earth.
Explanation: When the speed of an object is 7.9 kilometers per second, it will balance with gravity, go around the earth and never fall back to the ground. This speed is called the first cosmic speed, which is also called the circle speed. See cosmic speed.
29. Make a quick decision: In order to achieve this goal completely, concentrated forces, mobile warfare, quick decision and annihilation are all necessary conditions.
Description: a battle that quickly decides the outcome in a short time.
30. Haste makes waste: She taught him the parameters to judge the accuracy of grammar and why "haste makes waste" is a paradox. But the teacher's partial attitude caused another student, Jack, to be jealous.
Allusions: speed: fast; David Attenborough: Yes. It means too impatient, too eager for quick success, but can't achieve the goal.
3 1, the uninvited guest made a sentence: she left, and the kitchen table was separated between us; Her expression, her voice and every gesture tell me that I am an unexpected guest and should leave.
Allusions: speed: invitation. An uninvited guest.
32. Make it quick: John, a Roman military expert at St Andrews University? Dr JonCoulston said: "This is not a quick attack. It lasted for three days. "
Allusion: End the war with quick tactics. It is also a metaphor for finishing the task quickly.
33. The soldiers are expensive and quick to make sentences: Today's Federal Reserve is eager to prevent the economic crisis, thinking that they think that consumer demand is not enough, but it is not excessive railway construction.
Allusions: fast: very fast. Fighting is expensive, and action is particularly fast.
Word list on the speed of word formation, how to quickly word formation, how to quickly word formation.
High speed, speed, deceleration, barren speed, uniform speed, terminal speed, fast, rapid, stop speed, acceleration, aircraft speed, rapid, panic speed, light speed, traveling speed, stealth speed, rapid speed, rapid carving, rapid posting, rapid blame, rapid speed, rapid algae, invitation speed, escape speed, sound speed, speed, speed, speed, speed. Speed, speed, speed, speed, speed, speed, speed, speed, speed, speed, speed, speed, speed quickly, speed up, sketch, speed resentment, speed, star speed, speed happiness, strict speed, mania speed, quick freezing, slow speed, rotation speed, ground speed, full speed, single speed, rapid speed. Acceleration, panic speed, machine speed room, general speed, transmission, panic speed, high-speed steel, speed ratio, Azov Sea, B-speed loneliness, quick decision, quick decision, quick report, quick printing machine, instant noodles, quick writing, quick water, speed bump, thriller speed, linear speed, quick report, sketch map, etc. Relative speed, quick drink, slow soldier speed, quick soldier speed, quick soldier speed, 100,000 speed, speed skating, quick repair, quick drop shame, accelerated movement, quick-acting fertilizer, quick decision, shorthand marking, cruising speed, growth speed, haste makes waste, haste makes waste, development speed, rated speed, quick drop shame, slow drop shame. Average speed, gear speed, resistance speed, tangential speed, sudden speed, smart speed, panic speed, rapid deceleration, deep dangerous speed, transonic flight, tangential acceleration, supersonic aircraft, subsonic flight, subsonic aircraft, gravity acceleration, equal acceleration, supersonic flight, Azores, haste makes waste, normal acceleration, and so on.