“Middle Silurian”的概念、定义、翻译、参考文献-科学参考

单词	Middle Silurian
释义	Middle Silurian [`mid·ǝl si`lür·ē·ǝn] ^GEOLOGY The geologic epoch between the Upper and Lower Silurian.
随便看	direct-feedback system direct fire direct-fire direct-fired evaporator direct-gap semiconductor direct-geared direct grid bias direct hierarchy control direct-image offset system direct-imaging mass analyzer direct immunofluorescence direct-indicating compass direct input/output direct-insert subroutine direct instruction direct interelectrode capacitance direct inward dialing direction directional antenna directional beacon directional beam directional control directional control valve directional counter directional coupler

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