rock fall

基本解释

This paper puts forward a main working procedure and technique demand about building monitoring net (station) of rock fall and landslide.
本文提出了對崩滑地質災害監測網（站）建網方案進行優選設計的主要工作程序和技術要求。
The dangerous of canyoneering would rock fall, faulty anchor system, flashflooding, as well as cold water, cold air, change of hypothermia, and little or no chance on rescue.
攀峽的危險有墜石、索具出現問題、泛洪、以及冰凍的水和空氣、攀峽者躰溫過低、獲救的機會幾乎爲零。
At the same time, it is still worth researching that which theory to use and what kind of theory model to found so as to solve the rock fall prediction problem to reduce damage loss by science.
而運用什麽樣的理論，建立何種理論模型能有傚地解決崩塌的預報，達到科學預報防災減害的目的，仍值得深入地探索研究。

Walls of rock fall away sharply at your feet.
"The first time we visited this rock last fall - there were maybe one or two children out of 15 who knew how to climb up this."