fan-type fold 扇形褶皱
open-type fold 开口褶皱
nose-type fold 鼻型褶皱
Jura-type fold 侏罗山式褶皱
geosynclinal type fold 又称地槽型褶皱
type fold B 型褶皱
a-type fold a型褶皱
similar-type fold 相似型褶皱
B-type fold B- 型褶皱
These folds are characteristic of a-type fold which are commonly found in ductile shear zones.
这些褶皱的特征表明它们属于a型褶皱，而a型褶皱通常发育在韧性剪切带中。
A third type of mountain may be formed as a result of volcanic activity which occurs in regions of active fold mountain belts, such as in the Cascade Range of western North America.
第三种类型的山可能是由于火山活动形成的，一般发生在活动性褶皱带地区，如北美西部的喀斯喀特山脉。
Taking more than one type of painkiller increased the risk 16-fold.
如果服用止痛药种类超过一种的话，风险则会增加16倍。
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