Bill Curran is a professor of weed science at Penn State.
BillCurran是宾夕法尼亚州立大学的杂草科学教授。
These numbers aren't based on science, Rapoport said, but rather set to weed out all but about the top 10 percent of runners。
拉波波特说，这些数据不是建立在科学基础之上，但是可以进行选手淘汰，只留下前十名运动员。
This paper briefly talk on synthesis method of chloroacidamide herbicide, and its science application on the farmland weed.
简要介绍国内应用比较广泛的氯代酰胺类除草剂的合成方法，以及其在防除杂草方面的科学应用。
This paper briefly talk on synthesis method of chloroacidamide herbicide, and its science application on the farmland weed.
简要介绍国内应用比较广泛的氯代酰胺类除草剂的合成方法，以及其在防除杂草方面的科学应用。
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