一种新的毛发生长药物每毫克的售价是该价格的三倍，就如该药物的制造商对另一种含有同样活性成分的产品的售价一样。
A new hair-growing drug is being sold for three times the price, per milligram, as the drug's maker charges for another product with the same active ingredient.
木瓜蛋白酶在这里定向检测时其含量不得少于6000单位每毫克。
Assayed directed herein, contains not less than 6000 units per mg.
在这一地区的污水中，香草的含量达到了14毫克每升。
The region's sewage runoff contains more than 14 milligrams of vanilla per liter.
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