“Lower Silurian”的概念、定义、翻译、参考文献-科学参考

单词	Lower Silurian
释义	Lower Silurian [`lō·ǝr sǝ`lu̇r·ē·ǝn] ^GEOLOGY The earliest epoch of the Silurian period of geologic time, beginning about 420,000,000 years ago.
随便看	digital display Digital Electronic Message Service digital filter digital flight-control computer digital format digital frequency meter digital incremental plotter digital integrator digital intercontinental conversion equipment Digitalis digitalis digital log digital loop carrier digital message entry system digital microwave radio digital modulation digital monitor Digital Multiplexed Interface digital multiplier digital navigation system digital output digital phase shifter digital plotter digital printer digital private automatic branch exchange

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