angular unconformities造句

例句与造句

1. three angular unconformities found in the field work in the previous baishan formation of the carboniferous in poziquan area help to subdivide baishan formation into four formations
   摘要通过野外工作，在前人所划的坡子泉地区石炭系白山组内新发现三个角度不整合，而将白山组解体成四个组。
2. It's difficult to find angular unconformities in a sentence. 用angular unconformities造句挺难的