The lifeboat hurried to the accident scene immediately after receiving the alarm.

And to do this, you MUST drop the raft.

要这样做, 你就必须放下舟筏.

The canister vapor-vent value is operated by vacuum.

活性炭罐蒸气排泄阀是由真空控制的.

The valve shown has a pilot and a bleed orifice.

该阀具有控制孔和流出孔.

The stem has a slightly smaller diameter than the valve bore.

阀杆的直径略小于阀体孔的直径.

The body of a neuron. Acts approximately as a linear threshold element.

神经元的本体, 其作用近似于一种线性阀值器件.

Some carburetors have an auxliary fuel valve and inlet.

有些化油器具有备用的燃油阀和入口.

The PCV valve sticks in the open, maximum-flow position.

把PCV阀固定在开启位置即最大流量位置.

Defarge brought him the wine, and gave him Good Evening.

德伐日给他送上酒, 说了声“晚上好”.

'It is bad weather, gentlemen,'said Defarge, shaking his head.

“ 天气不好呀, 先生们, ”德伐日摇着头说.

Most of the seats reserved for A-list guests went begging.

大多数为高级来宾保留的座位都空着乏人捧场.

" I can see you're tired, Sun-fu, so I won't disturb you any longer.

“ 荪甫,你是累得乏了, 我不多坐.

I was worn out. Mama carried me.

我乏了, 妈妈抱起我来.

He is tired, and let him rest up from his work.

他累了, 让他好好歇歇乏吧!

In this thesis , we also investigate the appropriate application of FRAs in passive optical ring networks.

我们比较了光纤拉曼放大器以及掺铒放大器应用在被动光环网路中做为光放大器的表现.

Fundamental principles of high-frequency chaos generation and synchronization in doped fiber ring lasers are analyzed.

分析了掺铒光纤环形激光器中非线性高频混沌产生和同步的基本原理.

The net gain loss has relation to Er-doped concentration and input signal power.

净增益亏损与光波导掺铒浓度、入信号强度有关.

The fish cringed away from the bait when the wan with the fishing rod coughed.

垂钓者咳嗽了一声,鱼儿便吓得从钓铒旁游走了.

L band EDFA uses 10 m of this EDF , and which achieves effective amplification of L band.

利用10m这种掺铒光纤制作的L波段放大器实现了有效的L波段放大.

C band EDFA only uses 2.5 m of this EDF, and which realize high gain.

利用2.5m的高浓度掺铒光纤制作的C波段EDFA就实现了高增益.

A system on the chip AT 89 C 52 intelligent control of EDFA is demonstrated and experimented.

研制基于单片机AT89C52的智能控制掺铒光纤放大器.