向风

The effect of different factors such as the effect of different loads of traffic lane、 the form of lateral brace、 non-orientedly conservative loadings of the hanger and tie bar etc is discussed. The different coefficients of stability of changing these factors are given, so that the factors that are vital to the stability of arches are found.

分别考虑了不同荷载条件、不同风撑形式、吊杆和立柱的保向力、拱肋和横撑的刚度以及拱脚的边界条件等对青干河大桥成桥阶段空间稳定性的影响，并列出了这些影响因素的改变对稳定安全系数的影响。

In slabs,under the combined action of vertical load and lateral load,slab-column connections will transter punching shear and unbalanced moment.

钢筋混凝土板柱结构体系，在风荷载或地震作用等水平荷载及竖向荷载共同作用下，板柱节点除了要传递垂直剪力外，还必须传递较大的不平衡弯矩。

The results show that for the single-track shield tunnel in actual projects,the longitudinal ventilation velocity of 2.6~2.9 m/s can effectively prevent smoke from counter flow at a heat release rate of 10 MW;when the tunnel sector on fire with a longitudinal velocity of 2.9 m/s and the unfired tunnel sector with the velocity of 1~1.5 m/s from both ends,there is an air flow with the velocity of 6 m/s ...

模拟分析得出，对于地铁实际工程中的单线盾构圆形隧道，在10 MW火灾强度下，着火区间隧道内2.6~2.9 m/s左右的纵向风速可以有效阻止烟气发生逆流；在着火区间隧道2.9 m/s的纵向风速下，未着火区间隧道两端对送送风速度为1~1.5 m/s时，联络通道内有风速为6 m/s左右的气流流向着火区间隧道，可有效抑制烟气通过联络通道向未着火区间隧道蔓延，保证人员的安全疏散。

Experiment has shown that the velocity of sound in air is the same in all directions, if there is no wind and the air is at rest in the chosen c.s.

实验表明，如果没有风，空气是静止的（对于我们所选择的坐标系来说），那么声音在空气中向各个方向的传播速度都是一样的。

A breeze blew through the room, blew curtains in at one end and out the other like pale flags, twisting them up toward the frosted wedding-cake of the ceiling, and then rippled over the wine-colored rug, making a shadow on it as wind does on the sea.

一阵轻风吹过屋里，把窗帘从一头吹进来，又从另一头吹出去，好像一面面白旗，吹向天花板上糖花结婚蛋糕似的装饰；然后轻轻拂过绛色地毯，留下一阵阴影有如风吹海面。

The day they left, a westerly was blowing.

他走那天，风是向南面吹的，他故意逆风而行。

And spoke of days of yore to his listeners sitting on the floor.

80风的他坐在他的门边向席地而坐的听众讲述往昔的事情。

This paper discusses the dynamical characters of the RC mega-sub controlled structure. It is concluded that the deformation and the acceleration of vibration-absorption megaframe structure can be well reduced under the windward pulsoting wind load, through choosing the reasonable the member parameter and the accessional columns stiffness of the structure. So the safety of the structure is enhanced, and the comfortable need is satisfied. So the new mega-sub controlled structure is a kind of ideal super tall building structure configuration, it will have the bright future.

结果表明：通过合理选择巨—子型控制结构的主、次框架的主要结构参数及附加柱刚度，可以较好的控制巨—子型控制结构在顺风向脉动风荷载作用下的位移响应和加速度响应，既提高了结构的安全性，又可以满足舒适度的要求，从而证明了本文提出的这种新型的巨—子型控制结构是一种理想的超高层建筑结构形式，其将具有广阔的发展前景。

The study results indicate that as emission power increases, the peak power density on the section of a certain distance will increase firstly, then it will descend and that the peak light intensity on the section will increase with the increasing of spot radius of basic mode Gaussian beam. As the propagation distance increases, the peak light intensity on the section will descend gradually, and the laser energy will spread. The light intensity distribution exhibits straw hat shape on a certain conditions, in other word to say, the central light intensity is less than acroteric light intensity.

结果表明，无风稳态热晕效应存在时，随发射功率的增大，一定传输距离截面上的峰值功率密度先增人后减小；截面上的峰值光强随基模高斯光束的腰斑半径的增大而增大；随着传输距离的增大，截面上峰值光强在逐渐减小，能量在逐渐向周围扩展；在一定条件下，截面上的光强分布会呈现中心光强小于周围光强的&草帽型&分布。

A 2-D fog numerical model is used to simulate the formation and evolutionof advection-radiation fog of June 9, 1980 in the opening area of the Yangtze River to sea.The effects of advective wind, sea-land circulation on the fog are discussed.

本文用二维非定常数值模式模拟了1980年6月9日长江口地区海雾向上海地区平流而形成的平流雾个例，其中讨论了盛行风、海陆环流对海雾的影响，结果与实况近于一致。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。