常見例句雙語例句Fan-like cleavage means cleavages at axis faces occurring in the core of a fold, which spreads in fan like and shaped like branches of trees or straight with good symmetrical patterns.扇狀劈理是在褶曲核部發(fā)育的軸麪劈理,呈扇形展佈,爲(wèi)破劈理,劈理間距不等,呈樹枝狀或平直狀,對稱性較好。znsgeopark.com 返回 symmetrical fold