Warning: file_put_contents(/www/wwwroot/ppbbbu/202081.com/cache/8e9961bef8833bad98d047b3487b7233.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/202081.com/index.php on line 55 spectrum analysis英英字典_spectrum analysis剑桥英语解释_spectrum analysis柯林斯英文解释_2020年的事情英文词典
1. N the analysis of a spectrum to determine the properties of its source, such as the analysis of the emission spectrum of a substance to determine the electron distribution in its molecules 光譜分析