环带

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伸臂位置不变，改变环向位置，研究环向位置对高层框筒结构力学性能影响。

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、维视图和内插放大方式显示图，解决了低倍X射线问题，观察到了辉石隐环现象。