It can be inferred from paragraph 3 that US congress is_____global developing trend.
A. insensitive to
B. upset at
C. responsive to
D. paralyzed by
查看答案
A.durableB.dueC.dullD.dual
A. durable
B. due
C. dull
D. dual
用分度值为0.02mm/m的水平仪和跨距为200mm的桥板来测量工作长度为1.2m的机床导轨的直线度误差,等距布置7个
A.cradleB.angleC.eagleD.stable
A. cradle
B. angle
C. eagle
D. stable
对某轴径进行等精度测量9次,由所有测量值求出的单次测量值标准偏差为0.002mm。试写出测量列中的测量值28.256