词汇	compile a guide book
释义	compile a guide book 编指导手册
随便看	negative face negative facial expression negative fact negative factor negative factorial multinomial distribution negative factors negative features negative feature words negative feed negative feedback negative-feedback negative feed back negative feed-back negative-feedback adjustment negative feedback amplification negative feedback amplification circuit negative feedback amplifier negative-feedback amplifier negative feedback amplifier circuit negative feedback circuit negative feedback circuits Negative feedback clamp negative feedback control negative feedback control mechanisms negative feedback control system