Microgram for microgram, beryllium is one of the most toxic elements on the periodic table.
一微克,又是一微克, 铍是周期表上最有毒的元素之一.
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The 10 microgram vaccine met all the European regulatory requirements for the licensing of influenza vaccine.
10微克疫苗满足欧盟关于季节性流感疫苗注册的所有要求.
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