We conducted an extensive field survey of current geographic distribution of their natural range, and in situ and ex situ conservation status of the remnant populations of the two genera.
本研究通过野外调查，了解了中国秤锤树属与长果安息香属植物的地理分布、濒危现状及其迁地保护状况。
Objective To understand the distribution status of angiostrongyliasis natural focus in Guangdong Province and provide the scientific basis for making surveillance program.
目的了解广东省广州管圆线虫病自然疫源地分布情况，为制定监测方案提供科学依据。
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