以生产药材、药用原料为主要目的的乔木林和灌木林。
他们的文章是基于对勃林格殷格翰公司的思力华药粉吸入器的2008项荟萃分析，该药用于慢性阻塞性肺疾病的治疗。
Their essay was prompted by a 2008 meta-analysis of Boehringer Ingelheim's Spiriva HandiHaler that is used to treat chronic obstructive pulmonary disease, or COPD.
多数药用植物需要在天然的混林环境中才能茂盛生长，尤其才能产生传统药材中所需的化学物质。
Many of these medicinal plants require a natural habitat of mixed species in order to thrive, and especially to produce the particular chemicals desired in traditional medicines.
此后，论述了云南省的红豆杉资源状况，以作为“云南红豆杉药用人工林营造技术试验示范”的立项背景。
Then the situation of Taxus L. resource in Yunnan was discussed, which was used as background information for forming the project, experiment and demonstration of afforestation and m...
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