片语

concave edge内弯边；凹边；凹面

concave aspheric surface凹非球面

concave curve surface凹曲面

concave ellipsoidal surface凹椭球面

concave rotative surface凹回转面

annular concave spherical surface凹球面环状

Hoop concave spherical surface仿形加工滚轮凹球面

concave cambered surface移动摆桿

concave spherical surface凹球面

英汉例句

• 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。

• 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。

• 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。

• 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。

• 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。

• 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，可能会受到一些病癥的影响。

• 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。

• Regular concave surface profiles are adopted for many friction surfaces, but the surfaces are seldom studied using lubrication theory.

  规则凹坑表面形貌在许多摩擦副中被采用，但目前为止仍缺乏理论指导。

• 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。