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.
對山坡危巖體及孤石破壞類型的危險性和危害程度分區(qū)段進行評價；
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.
在風景攝影中，焦點可以以很多種形式出現(xiàn)，比如建筑物，樹枝，一塊石頭或者巖層，一個輪廓等等。