“Group 7 element”的概念、定义、翻译、参考文献-科学参考

单词	Group 7 element
释义	Group 7 element Chemistry ＞无机化学＞无机化学基本概念与无机化合物＞释义 Group 7 element第7族元素
随便看	doppler equation Doppler-Fizeau effect Doppler-free spectroscopy Doppler frequency shift Doppler global velocimetry Dopplergram Doppler guidance Doppler imaging Doppler instability Doppler mapping Doppler meteorological radar Doppler motion Doppler navigation radar Doppler navigation sonar doppler navigation system doppler observation doppleron doppler orbit determination and radio positioning integrated on satellite，DORIS Doppler parameter Doppler peak doppler point positioning Doppler Polar Monitoring Service Doppler positioning doppler positioning by the short arc method Doppler profile

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。