鸟类也被广泛应用于生态位假说和乔治高斯竞争排斥原理的研究中。
Birds were also widely used in studies of the niche hypothesis and Georgii Gause's competitive exclusion principle.
首先从理论上阐述了产品市场竞争对我国上市公司资本结构的影响，并在此基础上提出相关假说。
Firstly, based on the theoretical exposition of the product market competition's influence on capital structure of listed companies, this paper puts forward the relevant hypothesis.
在它的分析框架中，实际上隐含着成本不变假说，即完全竞争市场中的企业与垄断市场中的企业的成本是相同的。
In its analytic frame, implicit cost is actually fixed hypothesis, compete completely namely the cost of the enterprise in the enterprise in the market and hold the market it is identical.
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