“lawnmower”的概念、定义、翻译、参考文献-科学参考

单词	lawnmower
释义	lawnmower [`lȯn´mō·ǝr] ^ELECTRONICS Type of radio-frequency preamplifier used with radar receivers. ^ENGINEERING A helix-type recorder mechanism. ^{MECHANICAL ENGINEERING} A machine for cutting grass on lawns.
随便看	ground state ground-state maser ground strafing ground streamer ground substance ground support equipment ground surveillance radar ground swell ground system ground tackle ground tissue ground-to-cloud discharge ground trace ground truth measurements ground-up read-only memory ground visibility groundwater groundwater decrement groundwater depletion curve groundwater discharge groundwater flow groundwater increment groundwater level groundwater recession groundwater recharge

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