instability of glide slope 下滑道不稳定性
instability of natural slope 自然坡失稳
the instability of rock slope 岩质边坡失稳
instability of planar sliding slope 斜坡平面滑动失稳
In nature, the instability of slope, which can lead to landslide, is related to the participation of groundwater, which results from water permeation.
自然界中，边坡的失稳(可导致滑坡)与地表水入渗补给条件下的地下水参与有关。
Considering the potential failure modes in levee engineering, the mathematical models of hydrological failure risk and slope slide instability risk for levees are improved.
基于堤防工程可能的失效模式，修正了水文失事风险率和边坡滑动失稳风险率计算模型。
Instability and reasons of peak current controlled BOOST converter are simply analyzed, basic principles of slope compensation and design problems are also expatiated.
简要分析了峰值电流控制模式升压变换器的不稳定性及其原因，阐述了斜坡补偿的基本原理和设计问题。
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