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An intellectual can only be negative, he can discuss, criticize and satirize, which can't bring him any nourishment.

一个知识分子只可能是负向的，他会争论，批评和讽刺，但这不可能给你营养。

The paper proposes a method which uses iteration learning control theory to design correction signal to self servo-writing loop. And the correction process can be used to conditions which precision model of plant can\'t be got. The convergence of iteration process can be proved by theory and experiments.

研究发现，自伺服刻写径向误差消除的过程很类似于迭代控制过程，提出用迭代学习控制算法设计自伺服刻写环路的校正信号，并从理论上证明该校正过程能够很好适应无法获取精确致动器模型的情况，证明了迭代过程的收敛性，实验证明径向误差得到较好抑制。

Only God has no limits on power (although He does have the power of self-limitation). That means the devil has unanswered questions (he can't "read" God's mind —nor can he read ours). As a creature he can be in only one place at one time (although he has thousands of fallen angels covering mankind).

魔鬼也不能给人解答，因它不能明白上帝心中所想，也不能知道我们心中所想；魔鬼是被造的，所以只能在一个时间内在一个地方（虽然它拥有千万堕落的天使供它驱使且散布在人类中）。

Because the same sex determination gene fragment of fowl as SRY of mammal is not found, the discovered peculiar gene fragment in XhoI family will become the basic study of sex determination gene;The basis of sex differentiation is aromitic enzyme which controls sex hormone′s transformation; sex-linked inheritance and cloaca sexing will still bethe main methods of sexualization; a female can turn into a male through hormone in ducing and the changed female can turn into its genetic sexwhile a male can′t turn similarly.

家禽中虽未发现象哺乳动物SRY基因的性别决定片段，但XhoI家族中特异片段的发现可能成为性别决定基因研究的基础，性别分化的基础是控制性激素转型的芳香化酶；伴性遗传和泄殖腔鉴别法仍然是性别鉴定的主要方法；利用激素诱导只能使雌转雄而不能使雄转为雌，且转变后仍能恢复原来的遗传性别。

"You can go where you please, you can skid up the trees, but you can't get away from the guns !"

你想上哪儿都行，你还可以一骨碌地爬到树上去，但你逃不脱枪炮的打击。

When remove make up, damp tea fat on palm and knead it into bubbles, then use finger soffit to smear it on places of make up and clean it with water, it can remove dirty things which we can't see by our eyes and it can increase skin's luster and elasticity, nourish skin and eliminate subtilis wrinkles.

卸妆时，把茶玉脂打湿在手心搓揉起泡后，用指腹轻轻按摩搽妆处再用清水洗净，能除去毛孔内肉眼看不见的污垢，增加皮肤的光泽和弹性，滋养肌肤，去除细小皱纹。

We can believe that one can conjure useable items out of thin air (e.g.,"hundreds of squashy purple sleeping bags" [PA 9],"heavy manacles" [PA 19]), but there must then be a consistent reason why the Weasleys can't simply conjure up all the things that usually require money.

我们可以相信一个人能够从薄薄的空气中召唤出有用的东西[比如，"成百个紫色的睡袋"（囚徒第9章）、"沉重的手铐"（囚徒第19章）]，但这样的话，就应该有一个合适的理由解释为什么韦斯莱一家不能用魔法召唤那些通常需要用钱买的东西。

You can remove scenes of Ron playing quidditch from the fifth book, and you can remove Hermione and S.P.E.W. and those subplot s ... but with the seventh, that can't be done.""

你可以去掉第一集中罗恩打魁地奇的场景，你可以去掉赫敏的S.P.E.W——家养小精灵权益促进会，你可以去掉那些次要剧情……但在第七部里，却万万不能这样做。""

Once you get a chance to visit my hometown,the beach is one place which you can't ignore .there you not only can swim inthe sea ,but also can admire the pure blue sky ,enjoy the warm sunbath and also touch the flour-like soft seasand.

一旦你有机会来访问我的故乡，海滩是一个地方，你不能忽视的。那里你不仅可以inthe海上游泳，而且还可以欣赏纯净的蓝天，享受温暖的sunbath ，也触摸面粉一样柔软seasand 。

This is the spirit of ceaseless self-improvement people can achieve more with this belief. Tai Lihua, the performer of 'The Thousand-Hand Goddess of Mercy', once described her philosophy of life as this, 'In fact, the life of each person is the same. This can't be perfect and it's not what you can choose.

人类的自强不息就是在你行我也行的口号中挖掘着潜能，千手观音的表演者邰丽华曾经用这样的文字，精辟而质朴地概括了自己的人生哲学：其实所有人的人生都是一样的，有圆有缺有满有空，这是你不能选择的。

Shop assistant: Please check at the door.

店员：请您到门口柜台交费。

In the end, transportation of PAHs in the environmental matrix was preliminarily investigated and discussed according to PAHs data of soils and sediments from a certain region in Shanghai. The result indicated that there are two or more pathways on PAHs transportation in the environmental matrix.

最后，对上海特定地区内PAHs在环境介质中的迁移径途进行了分析讨论，结果表明上海市土壤和沉积物等环境介质中PAHs的迁移存在多种途径。