“luminous time ratio”的概念、定义、翻译、参考文献-科学参考

单词	luminous time ratio
释义	luminous time ratio [`lü·mǝ·nǝs `tīm ´rā·shō] ^NAVIGATION Of a navigational light, the ratio of the length of a flash to the period of rotation.
随便看	cross-country mill cross-coupling crosscurrent crosscurrent extraction cross curve crosscut crosscut file crosscut saw crosscutting relationships cross drum boiler crossed belt crossed cylinder crossed electrophoresis crossed-field accelerator crossed-field amplifier crossed-field backward-wave oscillator crossed-field device crossed-field multiplier phototube crossed lens crossed-needle meter crossed paralysis crossed-pointer indicator crossed prisms cross effect cross-eye

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