“practical system of units”的概念、定义、翻译、参考文献-科学参考

单词	practical system of units
释义	practical system of units Physics ＞电磁学＞电磁学的单位制＞释义 practical system of units实用单位制
随便看	Sham shaman dance Shaman Drum Shamanism music Shama Shiti shame Shameless Sha Meng Sha Menghai shameuse sham feeding Shamguo Shamian Shamian Buildings in Guangzhou Shamir shamisen sham rage Shamsiddin Shahin Sham Wan Shan Shana Poplack Shanbei Shanbei Culture Shanbei donkey Shanbei fine wool sheep

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