2个放映机头，用于桌式电影摄影机，1个电子光声头，1台煤油弧光灯，1个滑线电阻，1台幻灯机，1个印片机箱，1个暗房照明灯(煤油)，均未检测。
2 projecting heads for table cinematographs, 1 optical sound head, 1 carbon arc projection lamp, 1 slide projector and more. All untested.
本文对用滑线式惠斯登电桥测未知电阻的两种测量方法所得结果进行误差分析。
The error analysis on the result obtained by using the two different ways in which slide wire Wheatstone is used to measure the unknown resistance is conducted.
用定值电阻代替滑线变阻器，用分压器调节电压，可使二极管反向特性的测量更加方便。
Sliding resistance was replaced by the fixed value resistance, and potentiometer was used to adjust volt, it could make measurement of diode reverse characteristic more convenient.
用定值电阻代替滑线变阻器，用分压器调节电压，可使二极管反向特性的测量更加方便。
Sliding resistance was replaced by the fixed value resistance, and potentiometer was used to adjust volt, it could make measurement of diode reverse characteristic more convenient.
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