[电] light-activated silicon controlled rectifier
guāng jī fā guī kòng zhěng liú qì ㄍㄨㄤ ㄐㄧ ㄈㄚ ㄍㄨㄟ ㄎㄨㄥˋ ㄓㄥˇ ㄌㄧㄡˊ ㄑㄧˋ