生物防治是一种生态学上的很好解决为害物的方法.Biological control is an ecologically sound approach to pest suppression.同样,许多农学院和农业大学中也忽视基础生态学.Basic ecology has similarly been ignored in many agricultural schools and universities.对植物生态学的研究通常比动物...
Seminar topics are chosen for their accessibility to a general audience.研讨会内容是以普通听众容易理解为依据作出选择的。The seminar aims to provide an overview on new media publishing.研讨会旨在综览新兴的媒体出版.While it will be fun, the seminar also promis...
The lees of wine gradually subside.酒渣慢慢地沉淀下来.There are lees to every wine.〔谚语〕有酒就有酒渣.The other method was that maize oil was prepared from lees.二是从蒸馏后的酒糟(DDGS)中用溶剂浸出提取玉米毛油,毛油经进一步精炼得精制玉米油或一级玉米油....