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Under the protection of purified water-free, oxygen-free argon, using Schlenk technique, the rare rarth organometallic complexes containing piperonal dimethyl acetal and dicyclopentadienyl and involving silylene-bridged fluorenyl have been synthesized.

合成了含胡椒醛二甲基缩醛基和二茂基稀土金属有机配合物。采用Schlenk技术，在干燥纯氩气保护下进行。将溴代胡椒醛二甲基缩醛基锂盐与二茂基一氯稀土（Ln：Yb，Dy，Pr，La，Sm）反应，形成5个新的文献未曾报道的稀土金属有机配合物。

Of course, the book itself is not free and the chances are that the business and/or the pitchman make their living from selling that book and not from free money from anyone.

当然，这本书本身不是免费的，机会是，商业和/或代言人使他们的生活从销售这本书，而不是免费的钱从任何人。

This is a planet of free choice, and you have your own free will.

这是一个自由意志的星球，你有自己的自由意志。

In order to achieve the plantlet sugar-free culture in open space, a sugar-free culture system with environmental control device was set up.

为了实现开放空间组培苗无糖培养，建立了一种集成环境控制装置的无糖培养系统。

It's comfortable for free sometimes,but it becomes plodding when always free.

有时清闲无事是令人惬意的，但总是闲呆着就可能变得单调乏味了。

As a part of enlightening culture, the enlightening literature is definitely a window that publicizes the logos spirit, however, literature is different from philosophy, literature is the artistic transexpression of the Zeitgeist, but not the direct expression of the rational principles, in the eighteenth century the thought of natural logos brought the production of the free humanity of literature, Faust pursues and explores forward constantly, which stands for the permanent"human"spirit, it means the human's release and rein on the atman, it is the natural situation after breaking the fetters, and it is the revertion of the human natural inbeing; Naive man is the unit that has not been touched by"civilization", it is the origianl nature of human beings, during the conflict and collision of these two different cultures--"nature"and"civilization", it holds the independent free spirit homestead; emotion is natural, when the society made it institutionalized, it is catabolized, Lockersha Na heard the voice of heart under the system of plural marriage, she released the human natural emotion, reverted the natural humanity; under the"civilization", individuality is deprived,"civilization"becomes the contrary of civilization, Rameau's nephew championed the individual existence and freedom in the period of losing"self", it stands for the"self"shaping in the independent pose.

启蒙文学作为启蒙文化的一部分，它自然是张扬自然理性精神的一个窗口，然而，文学又不同于哲学，文学是对时代精神作艺术化的转达，而不是理性原则的直接的传声筒，十八世纪自然理性的思想养料孕育的是文学中自由人性的灿烂之花，浮士德不断地向上求索，代表着永不息止的"人"的精神，"人"的精神是人对于自我本体的一种释放与驾驭，是挣脱枷锁之后的自由状态，是对人之自然本性的还原；天真汉是未曾受过"文明"浸染的个体，代表人类之原本的自然天性，在"自然"与"文明"两种异质文化的冲突与碰撞中，维系着个体独立自由的精神家园；情感本属自然的，在社会将其制度化的同时，也将其异化了，洛克莎娜在一夫多妻制下，聆听的是个体心底之声，释放人之自然感情，复原自然之人性；"文明"下，个体性被剥夺，"文明"已堕入文明的对立面，拉摩的侄儿在"我"丧失的时代，捍卫了个体自我的在场性与自由性，代表了以独立个体之姿存在的"我"。

The change in the content of free proline was sensitive to low temperature stress, podocarpus fleuryi Hickel seedlings could strengthen their cold resistance through accumulating free proline., Though the hardening of low temperature, podocarpus fleuryi Hickel seedlings could increase their contents of soluble protein and strengthen their adaptive capacity to low temperatures.

长叶竹柏幼苗叶片经过低温锻炼而增加可溶性蛋白质含量，从而增强其对低温的适应能力，是长叶竹柏幼苗对渐冷的抗逆性适应的表现。

The major technique to get the information of structure of those free groups is to sudy the action of automorphisms on them. In this paper we show that every normal automorphism of a nontrivial free product of groups is inner as well. Traub[16] made a purely algebraic conjecture and showed that it implied Poincare"s Conjecture. He also showed that Poincare"s Conjecture implied this algebraic conjecture modulo another topological hypothesis.

在本文中我们给出任意两个非平凡群的自由积的每个正规自同构也是内自同构的；在文献[16]中，Traub给出了一个纯代数的猜想并证明了这个猜想蕴含着着庞加莱猜想的成立，并且作者也证明了在一个拓扑假设的前提下庞加莱猜想也同时蕴涵着猜想1是成立的，后来这个拓扑假设被Waldhausen([7])证明是成立的。

Fourthly, analyzing the support of relevant tax policy to the development of international tourism island and their implications for china: implementation of duty-free shop policy, implementation of tax neutral policy, implementation of duty-free shopping policy mode for domestic people, flexible use of preferential tax policy, taking good use of tax measures to protect the environment, tax earmarking, etc.

对有关税收支持国际著名旅游岛发展的探析，其借鉴与启示是：实行免税店政策；推行税收中性政策；实行国人购物免税政策模式；灵活运用税收优惠政策；注重利用税收手段保护环境；税收专款专用等。

Special telegram of our newspaper Beijing the network cleaning out treasure that gets netizen attention fully " 3 years of free acceptance " the last ten-day of a month is about to expire this month, yesterday, liu Zhaoxi of president of the network that clean out treasure announces when Beijing accepts a reporter to interview, the netizen is free policy of set up shop will continue, future 5 years the group returns Alibaba will increase 5 billion yuan of investment to cleaning out treasure net.

本报北京专电备受网民关注的淘宝网"三年免费承诺"本月下旬即将到期，昨日，淘宝网总裁陆兆禧在北京接受记者采访时宣布，网民免费开店政策将继续，未来5年阿里巴巴集团还将对淘宝网追加50亿元投资。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！