词汇	mount a hill
释义	mount a hill 登上小山
随便看	derivative control coefficient derivative control error derivative control factor derivative control imput derivative control input derivative controller derivative controller action derivative controller, D controller derivative controlor lead network derivative control ouput derivative control output derivative conveyance derivative copyright derivative correction factor derivative corrective action derivative corrector derivative crime derivative crystal structure derivative curve derivative curves derivative d.c.polarography derivative deed derivative demand derivative departments derivative deposit