【Key words】 Qinhe River; Jincheng; river pollution; freshwater crab; ecologic investigation
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ecologic investigation
生态调查
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Some factors such as unique biological property, the damage of ecologic environment, overexploitation and late investigation on it were the resource of dendrobium's resource crisis.
独特的生物学特性、生态环境被破坏、过度采挖、科研滞后等因素是导致石斛资源危机的根源。
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