模拟

Fuel cell; gas diffusion layer; porosity; modeling; optimization

燃料电池；扩散层；孔隙率；模拟；优化

The analysis, simulation, modeling and implementation of an active-clamp forward converter with center-tapped synchronous rectifiers are presented in this thesis.

中文摘要本论文探讨具中间抽头同步整流之主动箝位顺向式转换器之电路分析、模拟、建模与研制。

Rockfalls are the frequent engineering disasters in capital construction in mountain areas. The mechanism, simulation, analysis and prevention of rockfalls, especially rockfalls in high-steep rock slope engineering, increasely draw people's great attention.

边坡滚石是山区基本建设中经常遇到的一种工程灾害，边坡尤其是高陡岩质边坡工程中滚石产生的机理、模拟、分析与防护越来越受到关注。

The selection efficiency is associated with the modelused in M.C. Simulation.

模拟，比较两种效率修正结果，可以得到模型依赖的系统误差。

Article 144 The Government of the Hong Kong Special Administrative Region shall maintain the policy previously practised in Hong Kong in respect of subventions for non-governmental organizations in fields such as education, medicine and health, culture, art, recreation, sports, social welfare and social

第一百四十四条香港特别行政区政府保持原在香港实行的对教育、医疗卫生、文化、艺术、康乐、体育、社会福利、社会工作等方面的民间团体机构的资助政策。原在香港各资助机构任职的人员均可根据原有制度继续受聘。

Small wonder, then, that the Chinese spend more in the shop than any other group of foreign visitors do .

这样的小惊喜，使中国顾客比任何国家的人消费得更多。