因此我们认为L_3、L_5椎板切除术比多阶段椎板切除术更符合人体生理解剖和生物学特征的手术方式。
In conclusion, we suggest that L3, L5 leaped-laminectomy is a new operation which fit to human body anatomic and biological character better than the classical SPR operation.
我们正在尝试了解蜥脚类动物的生物学，比较它们的化石和现代动物的解剖结构，以更好了解它们是如何生活的。
We are trying to understand the biology of sauropods, comparing their fossils to the anatomy of modern animals to get a better idea of how they lived.
他现在正在学习解剖学、代数、生物学和几何学，这些都属于科学和数学课程。
He is now learning anatomy, algebra, biology and geometry which are all science and math courses.
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