Here's a slide of what we call the safety envelope and it's from the IAEA and I guess the best way to look at this is to sort of look from the top down.
这个幻灯片是我们称为安全信封，它是来自IAEA，我想观察它最好的方法，就是从上往下看。
2
Application this method of search slide surface of slope, the different slope parameters to effect of the position of dangerous slide surface and safety factory have been discussed.
应用这种搜索边坡滑动面的方法讨论了不同参数对边坡滑动面位置及安全系数的影响。
3
Use good lifting slide smooth, nimble, safety, noise, and has good decorative.