boulder rock

基本解釋

The boulder, rock wall. bottom toe always appear in limestone mine mid deep bench blasting because of bedding, fault, joint and cave.
石灰石礦巖層較多，斷層、節(jié)理裂隙和溶洞發(fā)育，爆破容易產(chǎn)生大塊、巖墻和根底。
An subregional evaluation is made on destruction fatalness and destructiveness of mountain slope dangerous rock mass and boulder stone.
對(duì)山坡危巖體及孤石破壞類(lèi)型的危險(xiǎn)性和危害程度分區(qū)段進(jìn)行評(píng)價(jià)；
Focal points can take many forms in landscapes and could range from a building or structure, a striking tree, a boulder or rock formation, a silhouette etc.
在風(fēng)景攝影中，焦點(diǎn)可以以很多種形式出現(xiàn)，比如建筑物，樹(shù)枝，一塊石頭或者巖層，一個(gè)輪廓等等。