Dai Yong and Shi Xin are undoubtedly the most famous.
Billiards technology:
As the name implies, golf is to hit the cue ball above the midpoint, so that the cue ball moves forward after hitting the target ball. Shrinking rod: also known as pull rod and low rod, it is to hit the cue ball below the midpoint, so that the cue ball moves backwards after contacting the target ball. It should be noted that the impact force is downward, not horizontal.
The braking ball also hits the lower part of the midpoint of the cue ball, which makes the cue ball rotate backward for a certain distance and then roll forward, and after hitting the target ball, the braking (ball fixing) effect is produced.
Jump ball, using a short pole (jump stick) to hit the ball from above the cue ball, so that the cue ball has a jumping effect to avoid obstacles.
Deflection is like adding a rotating high pole. On the basis of shrinking the pole or the high pole, the movement route of the cue ball is changed by rotation to achieve the purpose of walking.
At the beginning of this year, Ministry of Human Resources and Social Security recruited "organizers" to create new jobs, and then released a data. Over 4