查询词典 concave polygon

Is the iron box is concave body parts and hard surface contact resulting in the mobile hard drive not working properly?

难道是内凹的铁质盒身与硬盘表面部件有接触致使移动硬盘工作不正常？

With morphology characteristics of erosion concave of Ag and Pd contact materials in nitrogen and air being compared, influence on erosion, welding and breakdown voltage of contact for nitrogen and SF_6 being analyzed, influence on contact for the formic acid, toluene, carbinol and distilled water being analyzed, it was showed that the influence on performance parameters of relay contact for various atmospheres is very com...

通过比较触头材料Ag和Pd分别在氮气和空气中侵蚀凹坑的形状特征，分析了氮气和SF6等气氛对触头侵蚀、熔焊、耐压的影响，及甲酸、甲苯、甲醇、蒸馏水等对触头的影响，表明各种气氛对继电器触头性能参数的影响十分复杂，该影响涉及对电弧运动规律的影响和与材料的化学反应。

Seed face plane to concave; endocarp woody. Carpophore usually absent.

种子表面平到凹；内果皮木质；果瓣柄通常缺席。

For testing the concave ellipsoidal mirror of Three Mirror Cassegrain optical system, a slab compensated auto-collimation method is suggested.

针对TMC光学系统凹椭球面主镜的检验，本文提出了一种平板补偿的自准检验方法。

Castanet:a rhythm instrument consisting of a pair of slightly concave shells of ivory or hardwood, held in the palm of the hand by a connecting cord over the thumb and clapped together with the fingers .

响板：一对由象牙或硬木制成的有轻微凹形的板子组成的一种节奏乐器，通过一段连在拇指上并和其余手指结合的线绳握在手掌中。

He works moving about in front of a concave Velleda screen, a secret alcove that is also a surface where this space age cave-man scrawls ideas and drawings, a sounding board for the creative intellectual.

他的作品走动前面的凹Velleda屏幕上，一个秘密壁龛，这也是一个表面的情况下太空时代洞穴人scrawls的想法和图纸，探测板的创造性知识。

Here concave type of geometry is the one in which the local center of curvature of workpiece and tool center lie on the same side.

这里凹面型的几何一个在当地的中心曲率的工件和刀具中心所在站在同一边。

The other is concave upward with younger rocks of Silurian shale and siltstone toward the center of curvature. The former is called anticline and the latter syncline. The sides of the folds are known as limbs

而另一个褶曲向上凹，较新的志留系页岩和砂岩位于弯曲的中心部位，前者被称为背斜，后者则称之为向斜，褶皱核部两侧叫做褶皱的翼部。

The other is concave upward with younger rocks of Silurian shale and siltstone toward the center of curvature. The former is called anticline and the latter syncline. The sides of the folds are known as limb s

而另一个褶曲向上凹，较新的志留系页岩和砂岩位于弯曲的中心部位，前者被称为背斜，后者则称之为向斜，褶皱核部两侧叫做褶皱的翼部。

And then there is a chin rest I am going to put my chin on and I'm going to be staring into quite a large concave perspective thing but within this a whole lade of cameras are going to scan my face so here we go.

接下来的过程中我将要把下巴搁在下巴架上，然后凝视一个相当大的凹面远景。在凝视的过程中会有很多相机扫描我的面部。我们开始下一步吧。

So it was last week in Selma , alabama.

上星期在亚拉巴马州塞尔马市发生的事件也是这样一个转折点。

The group also spearheads various social programs in China.

该组织还带头参与中国的各种社会活动。