But spectra gathered in these ways are too localized and too precise to build up the fuzzy big picture needed for comparison with the distant planetary dots turned up by astronomers.
2
记录并比较伴随地得到的供试溶液和标准溶液的光谱。
Record and compare the spectra concomitantly obtained for the test solution and the Standard solution.
3
本文利用等离子体光谱诊断法对水下焊接电弧温度进行了比较系统的研究。
In this paper the temperature of underwater welding arc is investigated systematically by means of spectral diagnostics of plasma.
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