double cocoon;cocoon doubles; doupioncocoon;twin cocoon;doupion是什么意思

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The paper discusses and analyzes a series of problems exist between the size grade of present FZ/T42005——1998standard for mulberry doupion silk and the product quality reflected by it.

探讨、分析现行FZ/T42005—1998桑蚕双宫丝标准的纤度等级与其所反映的产品质量方面存在的一系列问题,提出了纤度等级区间的重新划分和增设等级的方案,以及提高双宫丝纤度质量水平的措施及建议。

The present paper deals with a new species of the genus Diuterinotaenia belonging to the family Anoplocephalidae, and the diagnosis of the genus are emended.

,文中对新种的形态作了详细的描述,并与近似种进行比较,讨论了建新种的依据,对双宫带属的属征做了修