比重分选台
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specific gravity table 比重分选台
Gravity separation by shaking table 摇床重选
By the way, when I say there's 10 Newtons acting this way, you might say, "What about gravity? What about the table?"
顺便提一下我说有 10 牛的作用力,你也许会问,"那重力呢,桌子对它的力呢"
耶鲁公开课 - 基础物理课程节选
If they make this pledge and commitment to stay in school with the knowledge that they leave millions and millions of dollars on the table, then the pledge carries much more gravity.
FORBES: Tressel's Treaty: Noble Or Naive?
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