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Firstly, this paper puts forward an improved authentication and key distribution scheme for internet environment, in which we adhibit multilevel authentication center, encryption technology of DES, RSA and one-way function to actualize the safety of communication among the different user on network and reduces the workload of the authentication institution; at the same time, this scheme can also assure the security of network. Besides, it use the temporary symbol and the responds" sign of both-side correspondent to replace time stamp and applies them to internet communication to countercheck "rebroadcast attack and accordingly resolves the problem that it needs synchronization for network clock.

本文在首先提出一种改进的Internet网络环境下的认证及密钥分配方案，该方案考虑采用了多级认证中心，DES、RSA和单向函数加密机制，实现了网络上不同用户间的安全通信，降低了网上认证机构的工作量，同时也能够保证网络的安全性；并用通信双方的临时标志和响应者标识来代替时间戳应用于Internet通信中以防止"重播"攻击，从而解决了以往需要网络时钟同步这一难题。

The establishment of divorce compensation for damage regulation in marriage law is a sign of further perfection of our country's compensation for damage regulation.

离婚损害赔偿制度在婚姻法中的确立，标志着我国损害赔偿制度的进一步完善。

The useful and important tests of sensibility are: testing the vibratory sensation with tuning fork, vibrometer testing for vibratory thresholds, von Frey testing (determined by Semmes－ Weinstein nylon monofilaments or Pressure－ Specifying Discriminator) for cutaneous pressure thresholds, measurement of static and moving two－ point discrimination with the Disk－ Criminator, Moberg's ninhydrin test, O'Rain skin wrinkling test, Picking－ up test, Tinel's sign and electrodiagnostic test.

此文对临床上重要且实用的皮肤感觉功能测定方法如音叉皮肤振动觉定性检查、振动觉阈的振动器定量测定、Semmes－Weinstein尼龙单丝或Pressure－SpecifyingDiscri minator行皮肤压觉阈的测定、用Disk－Criminator进行静止和运动的两点辨别觉测定、茚三酮试验、O'Rain指腹皮肤皱缩试验、捡物试验、Tinel's征电生理检查以及这些检查方法在神经断裂、神经卡压及神经损伤或修复后的恢复等情况中的应用和评价作一讨论。

The key technologies include A/D conversion circuit with double integral, sign processing software for the microcomputer, eliminating zero excursion and the interference for digital filter, display precision adjusted and real-time graduation.

其关键技术包括：双积分A/D转换电路、单片机信号处理软件、消除零漂、排除干扰的数字滤波、显示准确度调校和实时标度变换等技术。

The key technologies include A/D conversion circuit with double integral, sign processing software for the microcomputer, eliminating zero excursion and the interference for digital filter, display

其关键技术包括：双积分A/ D 转换电路、单片机信号处理软件、消除零漂、排除干扰的数字滤波、显示准确度调校和实时标度变换等技术。

The key technologies include A/D conversion circuit with double integral, sign processing software for the microcomputer, eliminating zero excursion and the interference for digital filter, displayprecision adjusted and real-time graduation.

其关键技术包括：双积分A/ D 转换电路、单片机信号处理软件、消除零漂、排除干扰的数字滤波、显示准确度调校和实时标度变换等技术。

I said, to see this in time ; I do not mean to say that our own eyes will look upon it : it may be so far off, as indeed it seems to some, that many would scarcely think it worth while thinking of: but there are some of us who cannot turn our faces to the wall, or sit deedless because our hope seems somewhat dim ; and, indeed, I think that while the signs of the last decay of the old art with all the evils that must follow in its train are only too obvious about us, so on the other hand there are not wanting signs of the new dawn beyond that possible night of the arts, of which I have before spoken : this sign chiefly, that there are some few at least who are heartily discontented with things as they are, and crave for something better, or at least some promise of it — this best of signs : for I

我说，看到这个时间；我的意思并不是说，我们自己的眼睛看它：它可能是如此遥远，因为事实上它似乎一些，许多将几乎认为值得思考：但有一些我们谁不能把我们的脸在墙上，或坐在deedless因为我们的希望似乎有些暗淡；，事实上，我认为，虽然在过去的迹象衰变旧艺术与所有的罪恶，必须遵循的列车只对我们太明显，所以在另一方面有不想标志的新的曙光超出可能晚上的艺术，我面前讲：这个标志主要是，有一些少数至少谁衷心不满是因为他们的事情，并渴望有更好的，或者至少是它的一些承诺-这最好的迹象：对我猜想，如果一些半打男子在任何时候切实心中对未来哪些东西没有人与自然的不和谐，这将成为过去一天或其他；因为它不是偶然的一个想法开始的首长少数；而他们推的，并被迫发言或行为中的一些搅拌世界心脏否则得不到表达。

for long time, the primary school living to the writing widespread existence "sorrow, afraid, be disgusted with" of thought.but the composition teaching of tradition, the teacher set question from the composition, purpose, choose a material, row to lift a key link to the workbook to review to change, whole one person contract for and resulted in thus student can according to teacher design good"diagram paper" lay bricks, the composition contents be deceitful and empty and lack a kid true, monotonous phenomenon, complete deprival student's workbook of independence power.in fact, composition's being not only be the operation of the language sign.left a person of development, left life, composition will is have no the wood of origin, have no source of water.

长期以来，小学生对写作普遍存在着"愁、怕、厌"的思想。而传统的作文教学，教师从作文命题、立意、选材、列提纲到习作评改，全一人包揽，从而造成了学生只能按教师设计好的"图纸"砌砖，作文内容虚假、空洞，缺乏童真，千篇一律的现象，完全剥夺了学生习作的自主权。其实，作文并非仅是语言符号的操作。离开了人的发展，离开了生活，作文就将是无本之木，无源之水。

First, select four kinds of main risks source from bigly celebrate the main risk in region source, namely the flood, drought, sand-dust weather and petroleum pollution accident, etc. According to the different a request for to habitat, study this 19 kinds of landscapes ecosystem type of the Regional induce for 7 kinds of ecosystems system: Then the marsh of bulrush, lakes and reservoirs , salt alkali wasteland, prairie, island form wood, farmland, town. The difference is proceeded by characteristic according to each type ecosystem to the analysis of four kinds of main risks source, including the certain risk all rate, delimiting the space distribute, analyzing the risk strength to the receptor etc. At proceed the revelation the different from endanger to analyze the inside, this text borrows ecosystem index number that this index sign to reflect primarily habitat the ecosystem meaning of the type of habitat the different from position, with weak an index number to show the destructibility of the habitat, from but compute each ecosystem that is lost by ecosystem system an index number.

首先，从大庆地区主要的风险源中遴选出四种主要的风险源，即洪涝、干旱、沙尘天气和石油污染等；依据不同生物类群对生境的要求，将本研究区域的19种景观生态类型归纳为7种生态系统：即芦苇沼泽、湖泡库渠、盐碱荒地、草甸草原、岛状林、农田、城镇；对四种主要风险源的进行分析，包括确定风险概率，划定空间分布，对风险受体的作用强度分析等；在进行暴露和危害分析中，本文主要借生态指数这一指标来反映不同生境类型的生态意义和地位，以脆弱度指数来体现不同生境的易损性，从而计算出各受体生态系统的生态损失度指数；由于各主要风险物质对风险受体的作用强度是不同的，对形成区域性生态风险的作用大小也有差异，因此本文采用层次分析法对主要生态风险物质进行综合评价，并把判断矩阵排序权值的合理计算问题归为—非线性化问题，并提出用基于遗传算法(GA[5])的层次分析模型进行权重分析；进行风险表征，即综合前面两个阶段的信息，对环境中风险的性质和强度以及风险评价过程中不确定性问题进行分析与描述，并划分出五级生态风险区；最后，根据划分的五级生态风险区的特征，分别提出针对各生态风险区的生态风险管理对策。

Accompanied by Laurentino Dias, Secretary of State for Youth and Sports of Portugal, who was in Timor on an official visit, I met Meri Alkatiri and several ministers of his government; for instance, the Minister of Sports of Timor, who surprised me when he took off his coat and asked me to sign the shirt he was wearing.

跟着劳伦提奥，我们的葡萄牙青年和体育部长，当时他正在帝汶进行官方访问，我们见到了马里卡提里还有几位政府的官员，有帝汶的体育部长，当他脱下他的衣服让我签名的时候，我差点吓一跳。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。