“birch”的概念、定义、翻译、参考文献-科学参考

单词	birch
释义	birch [bǝrch] ^BOTANY The common name for all deciduous trees of the genus Betula that compose the family Betulaceae in the order Fagales.
随便看	ground clutter ground coal ground conductivity ground control ground-controlled approach ground-controlled approach minimums ground-controlled approach radar ground-controlled interception ground-controlled intercept radar ground controller ground cover ground current ground data equipment ground-derived navigation data ground detector ground dielectric constant ground discharge ground distance grounded-anode amplifier grounded-base amplifier grounded-base connection grounded-cathode amplifier grounded-collector connection grounded-emitter amplifier grounded-emitter connection

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