“radioactivity survey instrument”的概念、定义、翻译、参考文献-科学参考

单词	radioactivity survey instrument
释义	radioactivity survey instrument Encyclopedia 工学放射性勘查仪器释 radioactivity survey instrument放射性勘查仪器利用某些核素的天然放射性，或核素受激后放出的电磁辐射（如特征X射线），测量其辐射类型和强度，以定性或定量测量自然界被测岩石、空气、土壤、水中核素种类（或含量）的仪器。
随便看	helicoidal motion helicoidal surface helicoid cyme helicon heliconia family helicon plasma thruster helicon wave helicon wave plasma helicopter bub-up helicopter flight helicopter flight control helicopter flight performance helicopter flight test helicopter ground resonance helicopter ground resonance design verification test helicopter hover performance helicopter joint test bench test helicopter logging helicopter performance of forward flight helicopter rotor system helicopter structure helicopter time domain airborne electromagnetic system helicopter transmission system helicopter transmission system test helicorubin

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