内聚力

This paper will analyze the mechanical performance of the wheel and design a test-bed to test the performance of the lunar rover's wheel. Firstly, the mechanical characters of the soil are separated to press-sinkage character and shear character based on Bekker's theory, and common press-sinkage and shear models are introduced and the theory of Lankine passive earth pressure is also introduced. These basic theories are helpful to construct model.

根据Bekker半经验法的基本思想，将土壤的力学特性分解为水平方向的剪切特性和竖直方向的承压特性，阐述了地面力学中常见的土壤的承压、剪切等力学模型，并引入了朗肯被动土压力理论，为建立车轮在松软土壤中前进和转向的力学模型奠定了基础，同时进行了实验土壤的剪切实验，测量了土壤的内聚力和内摩擦角等参数。

In particularly dry climates, it is often found necessary to add a little calcium chloride in order to retain sufficient moisture to ensure cohesion.

尤其在干燥气候条件下，为了保持足够的湿度而确保内聚力，有必要加入少量的氯化钙。

It is similar to the force that causes a liquid to rise in a capillary tube - the capillary attraction, or capillarity.

这是内聚力作用于液体表面的结果；正如引起液体沿毛细管上升的毛细引力。

This luminosity has great cohesive force at low temperature and is easy to break up at high temperature.

该发光体在低温下具有较高的内聚力，高温时容易瓦解。

Look in me, of the cohesive force that the purpose of operation depends on raising community and member participate in degree.

在我看来，运营的目的在于提高社区的内聚力和会员的参与度。

This luminosity has great cohesive force at low temperature and .

该发光体在低温下具有较高的内聚力，高温时容易瓦解。

The results show that the explosion flame is very long with cohesive force, and propagates along the bottom of the pipe.

结果表明，瓦斯爆炸火焰是沿着管道的底部向前传播的，火焰长度较长，并具有较高的内聚力。

In theory, political parties could provide the cohesive force to balance the centrifugal influences of a fragmented committee system

从理论上来说，政党可以提供一种内聚力来牵制分散的委员会体系的离心力。

The author believes that the comprehensive concentric circle structure has been built after more than ten years evolution of the adaptation of European security organizations.

与此平行存在着另一个核心，即以欧盟为主的安全核心，它在经济、社会等方面形成的巨大内聚力，日益发挥着越来越大的安全作用。

Using this theory, the flame structure of gas explosion in a horizontal pipe were studied, and the results show that: the gas explosion flame in a horizontal pipe is much thicker than that calculated from the former explosion theory, the intermediate products in the flame region are in separated state between the higher and lower level, and the cohesive force of the luminous body at lower level is bigger than that of the nonluminous body at higher level, there is a negative pressure region in the flame, and the flame splits easily in its propagating process.

结果表明，a水平管道内瓦斯爆炸传播火焰的厚度比以往理论计算得到的厚度大得多；b火焰区内爆炸中间产物呈上下分离状态，下部明亮发光体的内聚力比上部非发光体的内聚力高；c在火焰区内会出现负压现象；d火焰在传播过程中会发生断裂现象。

Means the parent directory, so this command means to execute "toolchain.sh," which is in the current directory.

代表父目录，所以这个命令就是执行当前目录下的"toolchain.sh"。

Yes,In fact,I'm on our city ream.

是的。事实上我是我们市队的。