环带

X-ray images were formed and shown in colors or in 3 dimensions, and have no distortion at low magnification.Hidden zonate phenomena of a picrite were found.

用伪彩色、三维视图和内插放大方式显示图像，解决了低倍X射线像失真问题，观察到了辉石隐象。

In the case of invariable of outrigger belt and changing the vertical positional arrangement, the effect on structural inner force, natural vibration period and sidesway were discussed.

分析固定加强层水平臂位置不变，改变位置，研究位置对高层框筒结构力学性能影响。