某一交流电周期为0.001s,其频率为()Hz。A.0.001B.100C.1000D.50
某一交流电周期为0.001s,其频率为()Hz。A.0.001B.100C.1000D.50[98%]
某一交流电周期为0.001s,其频率为()Hz。A.0.001B.100C.1000D.50
某一交流电周期为0.001s,其频率为()Hz。A.0.001B.100C.1000D.50[98%]
某一交流电周期为0.001s,其频率为()Hz。A.0.001B.100C.1000D.50
某一交流电周期为0.001s,其频率为()Hz。A.0.001B.100C.1000D.50[98%]
某一交流电周期为0.001s,其频率为()Hz。A.0.001B.100C.1000D.50
某一交流电周期为0.001s,其频率为()Hz。A.0.001B.100C.1000D.50[98%]
某一交流电周期为0.001s,其频率为()Hz。A.0.001B.100C.1000D.50
...,其结果()A.增加0.001B.减去0.001C.减去0.003D.[97%]
测定尿比重时,如果尿液温度低于标定温度3℃,其结果()A.增加0.001B.减去0.001C.减去0.003D.增加0.003E.增加0.004
...、Ⅱ类标准值均为0.001mg/L,若水质分析结果为0.001mg/L,应定为()。[97%]
某地下水的挥发酚类Ⅰ类、Ⅱ类标准值均为0.001mg/L,若水质分析结果为0.001mg/L,应定为()。
...则其结果应A.增加0.001B.减去0.001C.增加0.003D.减[97%]
在尿比密测定时,如尿液温度低于指定温度3℃,则其结果应A.增加0.001B.减去0.001C.增加0.003D.减去0.003E.增加0.004
...偏差要满足( )。A±0.001倍臂长以内B小于5mmC±0.001倍臂长以内且小于5mmD小于3mm[97%]
弧形闸门斜臂长度的安装偏差要满足( )。A±0.001倍臂长以内B小于5mmC±0.001倍臂长以内且小于5mmD小于3mm
...位至( )。A0. 001m、0.001㎡B0.001m、0.01㎡C0. 01m、0.001㎡D0.01m、0.[96%]
房产面积测算中房屋边长取位至( )、房屋面积取位至( )。A0. 001m、0.001㎡B0.001m、0.01㎡C0. 01m、0.001㎡D0.01m、0.01㎡