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swaraj n.〔印地〕1.自治,獨立。2.〔S-〕(英國殖民統治時...

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Magnetic field measurement technology is a important means in researching the magnetism and related physical phenomenon and gradually forms a branch of swaraj science 磁場測量技術是研究與磁現象有關物理現象的重要手段,已經逐漸形成為一門獨立的科學。