1. Autochthonous or allochthonous, may be important in the total metabolic system of lakes and streams. 自源的或他源的在湖泊与河流的总代谢系统中都可能是重要的。
2. The main salt bed structures are pillow-like salt diapirs, salt plugs and allochthonous salt sheets. 盐层构造有枕状底辟、盐株和外来盐席；
3. According to sources of the sediment the deep-water sediments can be divided into the allochthonous and the autochthonous types. 深水沉积根据沉积物来源可以分为深水异地沉积和深水原地沉积。
英英解释
adj.
1. of rocks, deposits, etc.; found in a place other than where they and their constituents were formed
