查询词典 extinction

In order to acquire the largest extinction ratio of the converted signal in the cross gain modulation wavelength conversion, the signal wavelength λ pk,s should be longer than the small signal gain peak wavelength of the semiconductor optical amplifier.

增益调制型波长转换中，为得到转换后信号最大的消光比，信号光波长应该比半导体光放大器的小信号增益峰值波长长。

We point out that death is not an end and that extinction is not to be feared.

我们指出死亡并不是一个结束，而灭绝并不可怕。

Not all oils are created equal - The overproduction of olives is turning much of Europe into a desert, and palm oil production in Asia may soon lead to the extinction of wild orangutans.

并非所有的油都是一样的。过量的生产橄榄油把欧洲大部分地区变成了沙漠，在亚洲过量生产棕榈油可能很快导致野生黑猩猩的灭绝。

There is not much time for earth to reach a particular pitch to enter the Great Central Sun Dream; and if she misses her opportunity then extinction is all that lies ahead.

对地球而言，并没有很多时间来让她抵达某个特定振动以进入大中枢太阳的梦想；而如果她错失了这个机会的话，那么在前方等待的就是绝灭。

Their extinction rate may be accelerated by Allee effect.

介绍了阿利效应的定义、作用方式及影响因素。

A survey of amphibians found that of 5,700 known species, about 30% were at risk of extinction.

一项调查两栖动物发现的5700个已知的物种中，约有30 ％是面临著灭绝的危险。

Radiation and extinction of the biotas were highly coincident with large igneous provinces (Tiaojishan Fm.Zhangjiakou Fm. and Dabeigou Fm.Yixian Fm.) in geochronological perspectives.

生物群的繁盛与灭绝与地球表层大规模岩浆火山活动(髫髻山组-张家口组和大北沟组-义县组)发育时代高度协同一致。

Ice Age is yet another "extinction for kids" movie, one of many in a long line of baby dinosaurs, pterodactyl eggs, and sympathetic cavemen.

冰河时代是又一个&消失的孩子&电影之一，许多长线的婴儿恐龙， pterodactyl鸡蛋，和同情的远古。

Cheetahs are among the world's most loved animals. There are major international efforts to save them from extinction.

非洲猎豹是世界上最受喜爱的动物，有重要国际努力来保护他们。

Droplet ignition and extinction in practical combustors are strongly influenced by forced convection and turbulence.

在实际燃烧室中，液滴点火和熄火受到强迫对流和紊流的强烈影响。

I go to school at night.

我是上上学。

Clear Tip Nasal Aspirator: A soft time and gentle suction action makes removing excess mucus easy.

鼻吸明确提示：一个柔软的时间和温柔吸力行动使消除过剩的粘液容易。