REVISION OF THE CHINESE PEAR STEM GIRDLERS WITH DESCRIPTION OF A NEW SPECIES ( HYMENOPTERA: CEPHIDAE )
梨茎峰研究的述评附-新种 ( 膜翅目: 茎蜂科 )
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OBJECTIVE : To provide information about the current situations and trend of development Chinese pear ˉ maceutical trade.
目的: 为了解我国医药行业现状和发展趋势提供参考.
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