In this article, a dewar for this superconducting magnet system is mainly described and experimental results about boil-off rate of the LHe under the condition of rotation and vibration is presented.
本文将主要描述该系统的杜瓦部分，并且给出在旋转和振动条件下的液氦挥发实验结果。
An optimum distribution condition of radio sources for the determination of Earth rotation parameters by means of VLBI technique was proposed and explained in detail.
本文提出了应用射电干涉测量的方法测七地球自转的三个参数时，源矢量的最佳分布条件。
The perpetual rotation of the ellipsoid body, its condition for existence and stability are also determined.
确定椭球体的永恒转动、它们的存在条件及稳定性。
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