A longitudinal channel extends along the concave surface.
纵向通道沿所述凹面延伸。
The front of ancient bronze mirrors has flat and concave surface .
古代青铜镜的镜面有平面的，也有凸面的。
This paper investigates the inverted L antennas mounted on a conducting concave surface.
系统地研究了架设在凹形接地面上的倒l天线的电特性。
Topography: Hengyang City in Hunan Province, with a part of the concave surface of the shaft.
地形地貌：衡阳市处于湖南省凹形面的轴带部分。
Cylinder and enlarged blades are used as test models for simulating the leading edge and concave surface of the blade.
用圆柱和放大的叶片做模型，模拟叶片前缘和叶盆凹面的流动。
The possible tracks of a particle BXm_(2), sliding down along a free movable concave surface with the mass m_(1) are analyzed.
运用质心运动定理，分析了质点在可自由移动的凹曲面上滑下时，质点对惯性系的运动轨迹方程。
The second aspect is related to a new configuration of open-ended coaxial probe proposed for concave surface materials testing.
第二方面的研究是提出一种改进型结构的开口同轴探头技术。
There are natural cotton crystal, mineral, concave surface, the natural normal function of any minor damage, is not a quality problem.
天然水晶内有棉絮、矿质、冰裂、表面凹点、天然轻微破损都属正常现象，不属品质问题。
It arises on both sides from the concave surface of the kidney known as the hilum. It is between 20 and 30cm long and can be affected by a number of disorders.
输尿管起始于两个肾脏的凹面(也就是肾门)，长20到30厘米，可能会受到一些病症的影响。
Hengyang City in Hunan Province concave surface of the shaft, surrounded with a ring of intermittent ridge mountain ridge, a typical situation in the basin.
衡阳市处于湖南省凹形面的轴带部分，周围环绕着断续环带属岭脊山地，构成典型的盆地形势。
For PCWs with different degrees of concaveness, the power reaches about 80% at different focusing points when the morphology of the concave surface is optimized.
通过对褶皱表面的形貌优化，我们得到了不同曲率半径的高质量光子晶体波导聚焦器件，聚焦能量达到80%以上。
This device is structure compactness and reasonable, it can satisfy the practical requirements and raise the efficiency for grinding the concave surface of the spare parts.
该装置具有结构紧凑、合理的特点，能满足实际需要，可大大提高零件凹表面的打磨效率。
The structure plate is composed of high-elastic structure, which is provided with an edge raised line, a middle raised line, a bottom flat surface and a bottom concave surface.
由高弹性结构构成，高弹性结构上设置有边凸条、中凸 条、底平面、底凹面；
This paper presents an approach to machine steam turbine blades in 5-axis NC. By means of using a disc cutter with a concave end, curvature fitting is used to machine the convex and concave surface.
提出了一种汽轮机叶片五轴数控加工的实用方法，对于叶背和叶盆采用中凹盘形铣刀，基于密切曲率法给出优化刀位轨迹的计算方法；
By extracting water from the detector's chamber, the detector's surface becomes a concave hemisphere.
通过从探测器的舱室中提取水分，探测器表面形成一个凹半球。
The curved upper surface of a nonturbulent liquid in a container that is concave if the liquid wets the container walls.
弯月面容器中之静止液体的弯曲上表面，如果液体浸润了容器壁，那么弯曲面呈凹状。
By extracting water from the detector's chamber, the detector surface becomes a concave hemisphere.
通过从检测器的舱室获取水分，检测器表面成为凹半球。
The curved upper surface of a nonturbulent liquid in a container that is concave if the liquid wets the container walls and convex if it does not.
弯月面容器中之静止液体的弯曲上表面，如果液体浸润了容器壁，那么弯曲面呈凹状；如果没有，就呈凸状。
Dimple eA concave depression found on the surface of a wafer that is visible to the eye under the correct lighting conditions.
表面起伏ꊝ-在合适的光线下通过肉眼可以发现的晶圆片表面凹陷。
Radial spherical plain bearings have an inner ring with a sphered convex outside diameter and an outer ring with a correspondingly sphered but concave inside surface.
径向球面滑动轴承由一个具有凸球形外表面的内圈和一个具有相应凹球形内表面的外圈组成。
Have a cut, mold, polishing, concave, deep carving and sandblasting the surface of a complete production line of laser engraving.
拥有切、模、抛光、打凹、表面喷砂深雕及激光内雕的完整生产流水线。
Sometimes the outline of a concave revoluted curved surface in axonometric projection would be complicated when there are some singular points on the outline.
在轴测投影中凹回转曲面的外形线可能存在尖点，这就使凹回转曲面的外形线变得复杂。
Against the concave characteristics of corneal contour, we improve the algorithm of contour reconstruction to increase the robust of algorithm and obtain the triangle mesh of corneal surface.
针对角膜轮廓线是凹的特点，对轮廓线重构算法做了改进，以便能构造出正确的角膜表面三角形网格。
I see architecture with eyesight of sculpture. Surface of exterior wall is deep grey and concave part is light white.
我用看雕塑的眼光看建筑，外墙表皮是深邃的灰，凹入部分呈浅白色。
The passage unit comprises a concave portion located at a position facing the first through hole, and a protruding portion which protrudes from an inner surface of the concave portion.
通道单 元包括位于面对着第一通孔的位置处的凹入部分以及从该凹入部分的内表面突出的突出部分。
Based on the holographic concave grating theory and ZEMAX software, an aberration-corrected flat-field holographic concave grating on aspherical surface for a flat-field spectrograph is designed.
基于全息凹面光栅理论和ZEMAX软件，设计了一种用于平场光谱仪的消象差平场非球面全息凹面光栅。
Ulcer: Concave sore on the skin or lining of an organ, with well-defined, sometimes raised edges. Erosion of surface tissue may extend to deeper layers.
溃疡：皮肤或黏膜因表面上皮组织的逐渐分解而形成的损害，可在表面或深入皮肤深层或其它下面的组织。
Ulcer: Concave sore on the skin or lining of an organ, with well-defined, sometimes raised edges. Erosion of surface tissue may extend to deeper layers.
溃疡：皮肤或黏膜因表面上皮组织的逐渐分解而形成的损害，可在表面或深入皮肤深层或其它下面的组织。
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