We must carry out the measurement with a photometer on an airplane . 要进行这种测量,我们必须使用一台装在飞机上的光度计。
The scanning of the film by the photometer in the spacial domain is equivalent to the operation of a filter on a signal flowing through it in the time domain . 在空间域用光度计进行扫描,和时间域中滤波器对所通过的信号进行运算等效。
The auto - control of photometer preamplifier gain 分光光度计前置放大器自动增益控制
Ultraviolet photometer for monitoring of water pollution 水质污染监测用紫外线光度计
Verification regulation of fluorescence photometer 荧光光度计试行检定规程
Verification regulation of fluorescence spectro photometer 荧光分光光度计试行检定规程