nanogram是什么意思   nanogram怎么读

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nanogram单词基本解析:

[化] 纳克

n. one billionth (1/1,000,000,000) gram

nanogram变化用词:

名词复数形式:nanograms

nanogram中文词源:

nanogram相关组词:

nanogram method [化] 超微量法

nanogram用法和例句:


And those were very low quantities, much less than even half a nanogram total.

而且含量极低 总共少于半毫微克