“d-block element”的概念、定义、翻译、参考文献-科学参考

单词	d-block element
释义	d-block element [`dē ´bläk ´el·ǝ·mǝnt] ^CHEMISTRY A transition element occupying the first, second, and third long periods of the periodic table.
随便看	signal-strength meter signal-to-interference ratio signal-to-noise improvement factor signal-to-noise ratio signal tower signal tracer signal voltage signal wave signal-wave envelope signal winding sign-and-magnitude code signature sign bit sign check indicator sign-control flip-flop sign convention sign digit signed decimal signed field signed integer signed measure signet-ring cell sign flag significance significance arithmetic

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