Study of the biological know-how that is, from time to time to keep in mind that a variety of basic biological characteristics.

学习生物学的窍门也就是要时时记住各种生物的基本特性。

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The biological project is now in trouble, you know, my colleague and I have completely different ideas about how to proceed.

生物项目现在有麻烦了，你知道，我和我的同事对接下来如何进行有完全不同的想法。

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But scientists didn't know how biological visual systems estimate blur so well.

然而科学家还没弄清楚生物视觉系统为何能如此精确的估计模糊程度。

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What would you do to ensure that Saddam Hussein -- or his successor -- is denied the use of residual biological, chemical or nuclear weapons capabilities and the know-how that produced them?

CENTERFORSECURITYPOLICY: Center For Security Policy

This week, West German Foreign Minister Hans-Dietrich Genscher responded to damning evidence that German companies have provided Iraq with equipment and know-how related to chemical, biological and nuclear weaponry.

CENTERFORSECURITYPOLICY: Center for Security Policy | Lessons From Iraq About Germany��s Export Policies Or Is ��Nukem�� What Genscher Has In Mind When He Speaks Of ��German Industry��s Good Name��?

The precise technique will be left up to the keepers who know best how to get biological material from their potentially grumpy, two-tonne donor while giving least offence.

BBC: Rhino horn DNA database introduced