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Bidens cernua L. were found in the rice fields of Longjing area.
,同时在龙井地区稻田还发现柳叶鬼针草(BidenscernuaL. ).
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4、
It involves all the fields from trade, investment to intellectual property protection.
它涉及贸易 、 投资、和知识产权保护等广泛领域.
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