1, CV (short for resume)

Resume is another way to summarize work experience, which is widely used in Europe. It is rarely used in the United States, but it is also used in academic institutions, education departments and scientific research industries in the United States.

2, the abbreviation of aircraft carrier

Aircraft carrier (referred to as "ship/aircraft carrier" for short, known as "overlord at sea") is the largest type of large-scale surface warship and naval surface warship with carrier-based aircraft as its main weapon and as its maritime activity base. It is mainly used to attack surface ships, submarines and transport ships, attack coastal facilities and strategic targets on land, seize air and sea control rights in combat waters, and support landing and anti-landing operations.

3. Abbreviation of cost deviation

CV (abbreviation of cost deviation) generally refers to cost deviation.

Cost deviation refers to the difference between the budgeted cost and the actual cost of an activity. In earned value, cost deviation (CV)= earned value (EV)- actual cost (AC).

4. Abbreviation of coefficient of variation

Coefficient of variation: when it is necessary to compare the deviation of two groups of data, if the measurement scales of the two groups of data are too different or the data dimensions are different, it is not appropriate to compare them directly with standard deviation. At this time, it is necessary to eliminate the influence of measurement scale and dimension, and the coefficient of variation can do this. The coefficient of variation is the ratio of the standard deviation of the original data to the average value of the original data.

5. Commercial vehicle abbreviation

Commercial vehicle is a kind of automobile designed and technically used to transport people and goods. Commercial vehicles include all trucks and buses with more than 9 seats, which are divided into five categories: passenger cars, trucks, semi-trailer tractors, passenger cars and trucks.

In the media of the whole industry, the concept of commercial vehicle is mainly defined from its different uses, and it is customary to divide commercial vehicles into two categories: passenger cars and trucks.

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