Two typical spectra which recorded the two characteristic positions of the ring electrode with a He flux of 1,000 sccm are shown in Fig.2.
Two typical spectra which recorded the two characteristic positions of the ring electrode with a He flux of 1,000 sccm are shown in Fig.2.
A.正确
B.错误
正确答案：正确
Tag：生物医学英语写作
时间：2022-02-17 21:14:16
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