Then I have the total mass of A divided by the number of moles of A.

然后是A的总质量,除以A的摩尔数。

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The strength of the absorption features indicates that red dwarfs account for 80 percent of the number of stars in elliptical galaxies and 60 percent of the total stellar mass in those galaxies.

吸收特性的力度显示，红矮星数量约占椭圆星系星量的百分之八十，质量则是那些星系总质量的百分之六十。

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Packing mark include : product type, mass, product batch, checker number, net weight, total weight.

包装外标识内容包括：型号、数量、生产批号、检验工号、毛重及净重。

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One of the tour leaders on our boat estimated that the total number of people who have actually set foot on this land mass -- tourists, scientists and explorers -- would fill a very large football stadium.

CNN: Awe-inspiring Antarctica