The light bulb has a resistance of 120 ohms.灯泡有120欧姆的电阻.When resistance in the circuit exceeds 230 ohms, the reading is not completely dependable.网路电阻超过230欧姆时，读数就完全不准了。We shall take the typical emitter - to - base resist...
When resistance in the circuit exceeds 230 ohms, the reading is not completely dependable.网路电阻超过230欧姆时，读数就完全不准了。We shall take the typical emitter - to - base resistance as about 250 ohms.我们取发射极基极电阻的典型值为250欧姆左右.The light ...
也许他正在为其中牵扯的道德问题而伤脑筋。Perhaps he was agonizing over the moral issues involved.他为孩子们大伤脑筋。He was rather bemused by children.他坐在那里对着古老的希伯来文本大伤脑筋。He sits puzzling over ancient Hebrew texts....
FDA批准 美法仑 ( 左旋苯丙氨酸氮芥 ) 上市.Melphalan ( L - PAM ) is approved by FDA for marketing.在合成工作中发现:在NAE18与氮芥芳基磷酰氯的反应过程中, 4- 二甲氨基吡啶 ( DMAP ) 起着关键性的催化作用.In the reaction of NAE 18 with nitrogen mustard aryl phosphorochloridate, 4 - ...
他愤怒地反击，说这些话太过幼稚。He hit back angrily, saying such remarks were childishly simplistic.他真没想到如此见多识广的部长竟会这么幼稚。He had not expected such crudity from so sophisticated a minister.不知怎的，整件事情有点幼稚。The whole thing is somehow a bit Mi...
有些使用过的人认为应把围篱埋入土中30厘米.Some practitioners advise sinking the fence netting 30 centimetres into the soil.他在围篱外把游泳裤穿上系紧.Beyond the hedge he pulled on his trunks and fastened them.围篱必须是牢固耐用的.Fences must be sturdy, tight....
她梦想成为马戏团中的一名无鞍马骑手。She dreamed of being a bareback rider in a circus.我骑着无鞍马来到了牧场。I rode bareback to the paddock.我最近一直过着鞍马生涯.I have been in the saddle all the last few days....