The major factors that affect system structure of commercial health insurance companies are production factors, value chain of the industry and organizational function.
影响商业健康保险企业制度安排的主要因素有：生产要素、产业价值链和组织职能。
Selenium is a necessary trace element and has important function of physiological health. The production of organic Se by biological pathway is attractive.
硒是一种必需微量元素，具有重要的生理保健功能，利用生物合成方法生产有机硒引起了人们的关注。
It is summed the general situation of the health food registration in our country in 2005, and include the number of production registration, the function and the area distribution.
汇总了2005年我国保健食品注册概况，包括注册的产品数、产品功能及地域分布。
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