The technique of PCR could be used to study the infectious and epidemic conditions about MG with its sensitive, quick and specific properties.
P CR技术具有敏感、快速、特异性强特点,可以用来研究MG感染现状,流行情况及致病机制。
You may not think a bagel tastes salty, but a typical 4-inch (10-centimeter) oat-bran bagel has about 532 mg of sodium.
你可能觉得百吉饼尝起来不咸,但一块典型的4英寸(10厘米)大的燕麦百吉饼却含将近532毫克的钠。
The average American gets about 3,400 mg of sodium a day - much more than recommended.
美国人平均每天钠的摄入量约为3400毫克——远远超过健康标准。
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