Terms containing precision of instrument

Subject	English	Chinese
scient.	Different kinds of precision instruments are set out in the exhibition hall.	各种精密仪器都陈列在展览馆大厅。
tech.	precision of instrument	仪表精密度
gen.	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
gen.	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%
gen.	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%