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If we look at a cross section of a water wave, we may see that the wave form repeats itself at regular intervals. 如果我们观察水波的横截面，我们会看到波形是按一定的间隔重复的。
They do not represent a complete cross section of his works. 这当然并非包括了他的全部著作。
A specific layer of soil or subsoil in a vertical cross section of land. 地层，岩层处于土地的垂直横截面中的某一具体土层或次土层
This old man is a cross section of modern artists in Britain. 这位老者是英国现代艺术家的典范。
The round, often darker cross section of such a lump as it appears on a piece of cut lumber. 节疤这种突出物的横截面，呈圆形，比周围的地方要黑，常常出现在切割好的木材上
The cross section of a bridge deck may twist as a result of excessive life. 桥面横断面可能由于过量的升力而发生扭转。
Our homework is figuring out the area of the cross section of a solid. 我们留的作业是求几何体横截面的面积。
If we look at a cross section of a water wave,we may see that the wave form repeats itself at regular intervals. 如果我们观察水波的横截面，我们会看到波形是按一定的间隔重复的。
To study amygdaloid body, hippocampal formation and lateral ventricle in thin cross section of brain to provide the anatomy knowledge for clinic. 观察杏仁体、侧脑室和海马结构在脑的薄层横断面上的表现及变化，为影像学提供解剖学依据。
The geometric size of the cross section of Dewar obtained by calculating ESR discrete point map of F center is in agreement with the material object. 从F心ESR散点图计算出的石英杜瓦横截面几何尺寸与实物基本相符.
A superposition cut is used to describe a cross section of a part by revolving it around an axis of revolution and placing it on the views on the axis. 在不影响图形清晰的条件下，断面也可按投影关系画在视图内，画在视图内的断面图称为重合断面图（简称重合断面）。
An outline cross section of a simple form of road is shown in the inset of Fig. 17. Here the principal terms relating to road construction are given. 图17中插入了一条道路的简易剖面图,图上标出了与道路建设有关的主要术语。
The analysis of roadbed economy. 路基经济性分析;
The unique phenomena at any cross section of EULER compressive bar under the zero bending moment is analyzed. 从理论上分析了欧拉压杆任意截面上弯矩为零的状态下所出现的奇异现象。
He has lived one section of miserable life. 他过了一段悲惨的生活。
This microscopic cross section of the aorta shows a large overlying atheroma on the left. 动脉纵切镜下显示左侧有大的动脉粥样硬化病灶。
Signals control each section of the railway track. 各种信号控制着铁路轨道的每个部分。
By heat treatment,center hardness (HRC) is 68,translation zone 62,cutter body 55 on the cross section of cutter tip. 所制截齿热处理后，沿粉末圆柱体齿头横截面上的硬度分布为：中心HRC68，过渡区62，基体55；
The cross section of nacre is brick-wall type,the mineral bridge was discovered in the organic matrix layers of nacre. 珍珠层侧向成层排列,并发现矿物桥随机的分布于有机质中。
Finally, improvement measures have been presented in the empennage and the cross section of the automobile body. 最后从汽车的车身尾翼、车身横断面、阻风板等方面提出汽车侧风稳定性改善措施。