多种色光测光法
photometry heterochromatic
电光测光器
electro-optical light-detecting apparatus
滤光光电光度计
filter photoelectric photometer
内聚光光电－光热复合管
internal-concentrator solar PV-T tube collector
自动光电测光望远镜
automatic photooelectric telescope
机电测井电缆
electromechanical logging cable
测色色差计
color and color difference meter
colour difference meter