变化点

In this dissertation, based on the beam propagation equation in the free-space, the hyperbolic-fit mothed is used to calculate the M2- factor of Gaussian beams passing through a spherically aberrated lens for the first time.

本论文根据自由空间中光束的传输方程，利用多点拟合的方法，通过数值计算，首次研究了激光束通过球差透镜后的M~2因子随球差的变化规律，并用M~2因子、桶中功率和K参数作为光束质量评价参数，讨论了透镜的像差、遮拦比等对激光光束质量的影响。

This new VPN structure puts away the shortages such as boring settings, and frequent adaptions because of changing of locations.

这种新的VPN架构抛弃了传统VPN技术的设置复杂，且随地点不同的频繁变化等不足。

With respect to this bit character, look on the applied level of Internet, perhaps can appear before long such picture: Although your friend and you are absent same a gregarious website, you also can share picture, each other to send mail; to be in same on screen, you can search the cafe around, read a magazine, with far it is OK to study in Indian work in the same placing you return; of form of a piece of electron together Wu of kimono of aleatoric network address is added on the screen that measuring a body to have something made to order for you.

就这点而言，在互联网的应用层面上看，也许不久就会出现这样的画面：即使你的朋友和你不在同一个社交网站，你们也可以分享图片、互发邮件；在同一个屏幕上，你可以搜索附近的咖啡馆、读杂志、与远在印度的同事一起研究一张电子表格；你还可以在为你量身定做的屏幕上添加任意网址和服务。杨致远走了，我们应该向他致敬。同时我们也看到，变化即将开始。

After the result of cohesion-friction model is compared with Coulomb Criterion, it is found that when the results of shearing strength are many and adjacent the strength parameters can not be regressed by least square method, instead the results should be divided into some beelines at that time according to the cohesion-friction model.(4) Discuss the characters of hard structural plane and weak structural plane: The adhesive friction theory is applied to research the changing course of shear area of hard structural plane and its influence on shear stress.

3介绍了岩石强度理论中的粘接摩擦模型，运用此模型分析依附型滑动面的演化过程，并将其推广到边坡岩土体抗剪强度的选取，讨论了不同法向应力下峰值强度和残余强度随法向应力的变化规律，在此基础上给出抗剪强度的选取模式，讨论了对实际取值结果的影响，并与传统的Coulomb准则进行了比较分析，指出直剪试验的法向应力在小应力区的点较多且抗剪强度结果差异不大时，不宜直接运用最小二乘法回归抗剪强度参数，此时应结合粘接摩擦模型对结果进行线性分段。

Introduce the cohesion-friction model of rock strength theory, and extend the model to select the strength of sliding plane, discuss the variation rules of peak strength and residual strength under different normal stress, and then present the selection model of shearing strength. After the result of cohesion-friction model is compared with Coulomb Criterion, it is found that when the results of shearing strength are many and adjacent the strength parameters can not be regressed by least square method, instead the results should be divided into some beelines at that time according to the cohesion-friction model.(4) Discuss the characters of hard structural plane and weak structural plane: The adhesive friction theory is applied to research the changing course of shear area of hard structural plane and its influence on shear stress.

3介绍了岩石强度理论中的粘接摩擦模型，运用此模型分析依附型滑动面的演化过程，并将其推广到边坡岩土体抗剪强度的选取，讨论了不同法向应力下峰值强度和残余强度随法向应力的变化规律，在此基础上给出抗剪强度的选取模式，讨论了对实际取值结果的影响，并与传统的Coulomb准则进行了比较分析，指出直剪试验的法向应力在小应力区的点较多且抗剪强度结果差异不大时，不宜直接运用最小二乘法回归抗剪强度参数，此时应结合粘接摩擦模型对结果进行线性分段。

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The changes of penetration,ductility,softening point and viscosity of bitumens at different aging times are analyzed and the critical aging time of bitumens is determined based on these test results.

对原样沥青进行不同时间的老化，测试其在不同老化时间性能指标的变化，利用残留针入度比、残留粘度比、残留延度比和软化点增量等老化指标来分析沥青的老化趋势，确定出了沥青的临界老化时间。

Canapes are either fried or toasted. You can eat canapes plain, but if you are creative, you can add many different kinds of food to the top of canapes. Meat, cheese and even goose liver are all often eaten with canapes.

canape」只有炸或烤两种作法，可以直接吃，不过你如果想来点变化，可以在上面添加许多不同的食物，通常可搭配肉类、起司，甚至鹅肝酱。

Global climate change and cataclysms have made their point in good old games too.

全球气候变化和灾难已使他们点好老游戏了。

Objective To investigate the changes and significances of neurocytes apoptosis and serum nerve growth factor after cerebral contusions.

目的 探讨大鼠脑挫裂伤后海马区神经细胞凋亡及血清神经生长因子的变化及意义方法按照改良Feeney自由落体脑损伤模型方式制作大鼠左顶叶脑挫裂伤模型，应用酶联免疫吸附法和原位细胞凋亡法，分别对脑挫裂伤后0.5，1，3，6，12，24，72，120，168，240h各时相点血清NGF含量及脑组织细胞凋亡进行检测。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。