题目内容

直接,多次等精度重复测量,可以求它的偶然误差ΔX,仪器误差是Δ仪,如何定出测量结果的误差值( )

A. 二者相加;
B. 取仪器最小刻度的一半
C. 二者取其大;
D. 二者取其小。

查看答案
更多问题

The Dutch Golden Age in the 17th century left an abundance of ________ paintings reflecting the traditions of detailed realism.

A. exquisite
B. explicit
C. exceptional
D. exclusive

Our town was destroyed by a great tornado (龙卷风) last Spring and officially declared a disaster area, ________ made us eligible for the support from federal funds.

A. whereas
B. which
C. whereby
D. where

The economist says he is optimistic that developed nations will remain ________ to improving the quality of life in Africa.

A. admitted
B. submitted
C. committed
D. omitted

Social workers are fully aware that some poorly paid jobs with no entry requirements tend to have high staff ________.

A. turn around
B. turnover
C. turnout
D. turn-off

答案查题题库