For convenience, only the reliability index of the dangerous glidingplane is given, and the dangerous glidingplane is searched by the safety coefficient method.
为了方便，只计算了按安全系数法搜索最危险滑动面上的可靠度指标。
2
Video showed the planegliding through the sky before it abruptly rolled over and went down in front of hundreds of horrified spectators.
据视频显示，飞机突然翻转，划过天空，然后在数百名惊慌失措的观众面前坠毁。
3
Based on theory of composite rock beam, a function and a formula for stratification planegliding was deducted.