They isolated the importance of temperature by studying only female beak length and comparing species with similar diets living in different climates.
为了将温度的重要性孤立来看，他们只研究雌鸟的喙长，并将生活在不同气候但拥有相似食性的鸟类进行对比。
By studying and comparing the legal position of managers in domestic and foreign laws, the author thinks this problem is caused by some flaws in domestic laws.
本文通过对国内外有关经理人法律地位的考察和比较，发现问题的症结在于我国立法上的某些缺陷。
It is proposed by hierarchy analysis that it is beneficial for studying the Marine hydrocarbon accumulation rules and also comparing them as a whole.
油气成藏要素层次性分析方法的提出，有利于从整体角度研究中国南方海相油气成藏规律、也有利于对比南方不同地区油气成藏规律。
Objective: To explore clinical diagnosis and treatment of ovarian torsion by comparing their clinical manifestations in 9 cases and studying the literature published.
目的结合9例卵巢扭转的临床资料和文献报告，探讨卵巢扭转的临床诊断及处理。
By studying the star formation history and chemical evolution of M31. and comparing with the Milky Way Galaxy, we are able to understand more about the formation and evolution of spiral galaxies.
在理论上研究其形成和演化历史，同时与银河系进行比较将非常有利于进一步理解旋涡星系的形成和演化过程。
By studying the star formation history and chemical evolution of M31. and comparing with the Milky Way Galaxy, we are able to understand more about the formation and evolution of spiral galaxies.
在理论上研究其形成和演化历史，同时与银河系进行比较将非常有利于进一步理解旋涡星系的形成和演化过程。
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