常見例句Studies on economic threshold and optimum control period of Echinocnemus squameus Billberg 稻象甲的防治指標(biāo)和防治適期研究TAXONOMY OF THE GENUS POLYURA BILLBERG (LEPIDOPTERA, NYMPHALIDAE) WITH DESCRIPTION OF A NEW SPECIES FROM CHINA 中國尾蛺蝶屬分類研究竝記一新種(鱗翅目,蛺蝶科) 返回 Billberg