查询词典 extinction

Analysis shows that with this scheme, ultrafast and high extinction ratio OR gate operation can be performed.

最后分析表明，该方案具有实现超高速高消光比或运算的潜力。

Consequently, human beings should carefully protect and actively manage the left forests in order to preclude the persistent wild extinction of orang.

因此，为了防止猩猩在野外灭绝，需要人类对剩下的森林进行认真的保护和积极的管理。

Here we show, with statistical support, that a microbialite resurgence also occurred after the Late Ordovician extinction event in western North America.

现在，研究人员在本期Nature上描述了发生在北美西部晚奥陶纪灭绝事件之后的一个类似现象。

The experimental results show that the output of two-way signal with wavelengths converted has a good extinction ratio.

实验结果表明，输出的两路波长变换后的信号具有良好的消光比。

We proposed a new p-contact scheme using Ti and ITO transparent overcoating on the regular p-contact of the proton-implanted VCSEL and obtain substantial improvement in the kink characteristics and the modulation response of the proton-implanted VCSEL shows a more open clear eye and lower jitter of 35 ps operating at 2.125 Gb/s under 10 mA bias and 9 dB extinction ratio compared to the device without overcoated.

我们提出使用新的p型电极组合，利用Ti和透明电极蒸镀在一般的p型电极上，成功的改善了质子布植的面射型雷射之kink现象，且元件亦能成功的操作在2.125 Gb/s。

The paper presents the most efficient means to prevent the occurrence of resonance overvoltage often happening in extinction coil earth ed networks, namely,overcompensation pattern, after analyzing shift voltages in formal operation and broken wire condition.

摘 要：针对消弧线圈接地电网中普遍存在的谐振过电压问题，分析了正常运行及断线故障时各种补偿方式下位移电压的大小，得出防止产生谐振过电压的首要方案是：消弧线圈采用过补偿运行方式。

His paleontological work in the 1790s had established the reality of extinction, which he explained by local catastrophes, followed by repopulation of the affected areas by other species.

他在十八世纪九十年代的古生物研究工作已经确定了绝种消亡的事实；他解释说，这是由于局部的大灾难以及随后受影响地区被其他物种重新定居造成的。

Paleontologist Dave Raup postulates that 75 percent of all extinction events were caused by asteroid impacts.

设若地球上的所有物种都没灭绝，今天的芸芸众生会是怎样的？

Of all life perished during the extinction event that marked the end of the Paleozoic Era.

但是在古生代结束的时候，地球上99%的生命都遭受到了灭绝事件的劫难。

He had settled to his safety and accepted perforce his extinction .

他已习惯于苟安，被迫接受自己的湮没。

These are places without aristocratic baggage; egalitarian places open to talent, self-improving, engaged in learning and innovation through networks that were at once competitive and cooperative.

这些地方没有贵族遗风作祟，而且对于那些有天分的人是开放的平等之地，这些人善于通过那些曾经很具有竞争力与合作精神的关系网进行自我提高以及学习创新。

Christine: You don't want to see me?

你不想见我？