【单选题】Which of the following property of language enables language users to overcome the barriers caused by time and place?
【简答题】尺寸偏差是代数差,所以偏差可能是 ( ) 值、 ( ) 值或 ( ) 。
【简答题】Evidence of the extent of the language barrier can be gained from ______ of materials used by scientists such as books and periodicals.
【简答题】How is communication completed when there is a language barrier? Through ______.
【单选题】下列说法最正确的是()
A.
尺寸偏差是代数差,可以是正的,也可以是负的,甚至为零。
B.
尺寸公差是代数差,可以是正的,也可以是负的,但不能为零。
C.
所谓尺寸偏差,就是实际尺寸与理论尺寸的误差。
D.
所谓尺寸公差,就是实际尺寸与理论尺寸的误差。
【简答题】极限偏差是 尺寸减 尺寸所得的代数差,可以为 值、 值或 ;而公差则是 ,数值前不能有正负号,且其值不能为 。