什么是修正值?
参考答案:
用代数方法与未修正测量结果相加,以补偿其系统误差的值。
即:实际值(校准值)=测量结果(标称值)+修正值。
The driver turned his car sharply to the left to give the way to the running bull only _________ a tree by the road.
A.to knock into
B.knocking down
C.to knock at
D.knocked over
磁悬液的浓度越大,对缺陷的检出能力就越高。()