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Wind load is a kind of important loads to the buildings, and it is indispensable in the structure design.

风荷载对于建筑物来说是一项非常重要的荷载，是建筑结构设计中不可缺少的。

However, what is woeful that it is indispensable condition.

可悲的是，这确是必要条件。

In dual-frequency laser interference measuring system Wollaston prism is an indispensable and important device,which can separate the incident beam in to measurement beam and reference beam according to the polarization direction of dual-frequency laser,so as to realize the high accuracy measurement.

在双频激光干涉测量系统中，Wollaston棱镜是不可缺少的重要光学元件，它可将双频激光按偏振方向分为测量光和参考光，从而实现高精度测量；但是，如果Wollaston棱镜的安装方位相对入射光线方向以及与聚焦透镜距离不同时，测量结果将会不同。

The starting point in experimental psychology, I now think, consisted very properly in a very exhaustive study of sensation, for the purpose of ascertaining both what it can and what it cannot explain; so that Wundt's pioneering work in this direction was really indispensable.

那个 在实验心理学出发点，现在我认为，包括在一个非常恰当的感觉非常详尽的研究，为此目的而确定什么都可以，什么不能解释，因此，这冯特在这方面的开创性工作确实是必不可少的。

As a youth and youth-oriented Web sites, and to be able to N-Gage game show was supported by the life-like, web site design uses a lot of dynamic and static images, in which Flash applications is indispensable.

作为一个面向青年和青少年的网站，也为了能够将N-Gage所支持的游戏展现得栩栩如生，网站的设计上大量采用了动态和静态的图片，其中Flash 的应用更是不可缺少的。

Such a certificate is indispensable in a country as abounding in water as the Netherlands.

在荷兰这样一个水城，这样的证书是不可或缺的。

Aby wipes, even after they are past using diapers, are indispensable for all kinds of messes.

ABY擦布，对所有孩子们来说，出现乱糟糟的状况的时候，都是必不可少的，就算是他们们已经过了用尿布的时期。

In the whole process, Miss Acher does not lose anything, or rather, she has gained more than she has lost in her unfortunate marriage. James seems to be telling us that hardships and sufferings are indispensable to the new man from the new world on his way to maturity.

因此，从这一点上说，阿切尔在这桩失败的婚姻中并没有失去什么，或者至少可以说，她得到的要比她失去的多，因为在詹姆斯看来，经历磨难是那个新大陆的新人走向成熟必不可少的过程。

Ater anight'S sleep the news is as indispensable as the ekast.

经过一夜睡眠之后新闻正如早餐一样不可或缺。

The exact dynamic characteristics of bridge structure are indispensable in resisting wind and aseismatic design.

因此进行桥梁的抗风分析已经成为大型桥梁设计中一项重要工作。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。