over-partition connector是什么意思

用法例句

Sensitivity,optical gain and current gain of a new model AlGaAs/GaAs punch-through phototransistor are measured.

在ｎＷ～μＷ光功率下测试高增益穿通型ＡｌＧａＡｓ／ＧａＡｓ光电晶体管的直流参数：光电灵敏度、光电增益和电流增益。