较老的岩层渐渐风化.The older strata gradually disintegrate.岩层中有证据表明，该地区在15,000年前曾经非常干旱。Contained within the rock strata is evidence that the region was intensely dry 15,000 years ago.这一岩层中有大量燧石.This layer of rock contains a lot o...
Conclusion: Patients commonly required revision hip arthroscopy because of persistent impingement.结论: 病人因为持续的损伤通常都要求髋关节镜检查修复.She didn't understand why the TV was kept out of reach of the patients...她不明白为什么病人不能看电视。Th...
Some catalogs provide data on motions , variability, duplicity, etc.有的星表还提供了运动, 是否变光以及双星 、 聚星等等的资料.Yes, here are some catalogs and brochures.有的, 这里是一些目录和小册子.Cross - references are used in all forms of catalogs.相关参照用于各种形式...