Terms for subject General containing precision instruments

English	Chinese
precision instrument mount	精密仪器装置跟踪空间目标用的电气光学器械
the error of a wattmeter at half full-scale shall not vary by more than 0. 25% of full scale for Precision instruments when the power factor is varied between unity and 0. 5 lagging	当功率因数在滞后1 ~0,5变化时
the error of a wattmeter at half full-scale shall not vary by more than 0. 25% of full scale for Precision instruments when the power factor is varied between unity and 0. 5 lagging	功率计在满标度的二分之一处的误差变化不应大于满标度的0,25%
the error of a wattmeter at half full-scale shall not vary by more than 0. 25% of full scale for Precision instruments when the power factor is varied between unity and 0. 5 lagging	当功率因数在滞后1 ~0,5变化时,功率计在满标度的二分之一处的误差变化不应大于满标度的0,25%