ways of researching 研究方法
At twelve she began researching ways to extend human life.
她12岁就开始寻找延长人类寿命的方法。
He said coffee producers were researching ways of producing coffee without the substance building up.
他说咖啡制造商正研究各种方法,以免在加工过程中产生这类物质。
In the beginning of this century, scientists and engineers began researching ways to use solar energy in earnest.
在本世纪初,科学家与工程师开始认真地研究利用太阳能的方式。
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