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。
A longitudinal channel extends along the concave surface.
纵向通道沿所述凹面延伸。
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。
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。
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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