运用产业组织相关理论、集中度系数、赫芬达尔—赫希曼指数、洛伦茨曲线和基尼系数分析了我国农机工业集中度现状。

Based on the theory of Industry Organization, the paper uses the Concentrative Ratio, Herfindahl-Hirschman Index, Lorenz Curve and Gini Coefficient to analyze AMM's concentrative degree.

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目的在中国健康成年男性志愿者中，评估单次口服新型催醒药莫达芬尼片的安全性、耐受性。

Aim to evaluate the safety and tolerance of oral single-dose of wakefulness-promoting agent-modafinil in Chinese healthy volunteers.

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