“free instruments”的概念、定义、翻译、参考文献-科学参考

单词	free instruments
释义	free instruments [¦frē `in·strǝ·mǝns] ^ENGINEERING Instruments designed to initially sink to the ocean bottom, release their ballast, and then rise to the surface where they are retrieved with their acquired payload.
随便看	reactance-tube modulator reactant reactant ratio reaction reaction border reaction boundary reaction curve reaction energy reaction engine reaction enthalpy number reaction fin reaction flux reaction formation reaction injection molding reaction kinetics reaction line reaction mechanism reaction motor reaction pair reaction path reaction principle reaction propulsion reaction rim reaction series reactions inventory

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