concave surface
凹面
常用释义
英式发音
美式发音
基本释义
- 凹面：表面向内弯曲的曲面，中心点向外凸出。
例句
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1·A longitudinal channel extends along the concave surface.纵向通道沿所述凹面延伸。
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2·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。
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3·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。
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4·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。
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5·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。
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6·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。
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7·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。
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8·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。
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9·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。
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10·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。
同义词