Dimensional deviation is the difference of a certain size minus its basic size, so the size deviation can be positive, negative and zero. （ ）
A: 对
B: 错
A: 对
B: 错
举一反三
- The oxidation state of the elements can be positive, negative or zero.
- Regular repetition and parallelism are examples showing how to achieve certain stylistic effect by taking the ( ) method. A: qualitative deviation or incongruity B: quantitative deviation or incongruity C: quantitative deviation or deflection D: qualitative deviation or deflection
- A sample of size 40 is to be taken from an infinite population whose mean and standard deviation are 68 and 12, respectively. The probability that the sample mean will be larger than 70 is:
- The work done by static friction can be: A: Positive B: Negative C: Zero D: Any of the others
- If the current direction of each mesh is the same, the mutual resistance of each mesh equation ( ). A: is always negative B: is always positive C: is always zero D: can be positive or negative