Falling Rock的意思|示意

Roof falling of mined out area was numerically studied by using a rock failure process analysis software(RFPA2D).

前言： 运用岩石破裂过程分析RF PA2D 系统，对采空区顶板大面积冒落过程进行了数值模拟研究。

About 40 million cubic yards of rock - some of it falling from a height of 3,000 feet - plunged down the face of Lituya Glacier into Gilbert Inlet at the northern end of the bay.

大约4千万立方码的岩石——一部分从3,000英尺高空落下——冲破Lituya冰河表面，进入海湾北端Gilbert水湾。

Roof falling, floor heave of roadway and pillar failure are important problems of rock mechanics in mining process.

顶板冒落、巷道底鼓和矿柱破坏是采矿过程中的重要岩石力学问题。

early homo, they say, might have based his first words either on the noises he heard, like the splash of falling water or the thud of a rock smashing into a skull;

他们声称，早期人类的第一个词也许要么基于他所听到的噪音，像是溅水的声音，或者岩石敲击头骨的声音；

About 40 million cubic yards of rock - some of it falling from a height of 3, 000 feet - plunged down the face of Lituya Glacier into Gilbert Inlet at the northern end of the bay.

大约4千万立方码的岩石——一部分从3,000英尺高空落下——冲破Lituya冰河表面，进入海湾北端Gilbert水湾。

Ash and bits of rock that were burnt black were falling onto the ship now, darker and more, the closer they went.

灰烬和片片烧黑的岩石开始往船上掉落，他们走得越近，就越黑更多。