单词	洋鼠李
释义	同Cascara Sagrada
随便看	negative feed back control system negative feedback filter negative feedback in fm negative feedback loop negative feedback modulation negative feedback {=nfb} negative feedback resistance negative feedback [= reverse feedback] negative feedback, reverse feedback negative feedback，nf;nfb negative feeder negative film negative flag negative flower negative form negative forming negative fraction negative fractional exponent negative frequency negative function negative g negative gain negative gain factor negative galvanotaxis negative gate