In lab the most often used is electron multiplier and semiconductortype.
实验室常用的是电子倍增器和半导体型光二极管。
2
At present the common used alcohol sensor is fuel cell type and semiconductortype, with weakness being either high price or poor selectivity and demanding the heat device.
目前常用的燃料电池型和半导体型乙醇传感器具有价格高或选择性差、需要加热装置的缺点。
3
He then set out to make a new type of semiconductor crystal that would be able to emit visible, red light.