“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	market analysis market area market building market comparison approach market competition market concentration rate market control market crowding effect Market Daily market demand forecast market directed resource allocation game market-directed resource allocation game market early-warning market economic system market economy market entity market equilibrium market exit system market failure market failure in environmental protection market failure of health services market fluctuation market for corporate control market foreclosure market game

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