“pollen spectrum”的概念、定义、翻译、参考文献-科学参考

单词	pollen spectrum
释义	pollen spectrum Encyclopedia 理学花粉谱释 pollen spectrum花粉谱从地层中某个层位的单个样品中获得的不同种类的花粉、孢子的相对丰度（百分比），在一水平线上显示的棒状图或曲线图。
随便看	radio wave diffraction propagation over obstacles radio waveguide radio wavelength band radio wave penetration method radio wave propagation radio wave propagation during reentry radio wave propagation in the ionosphere radio wave propagation in tropospheric radio duct radio wave propagation via the sporadic E layer radio wave scattering of the solar corona radio waves propagation mechanism radio window radio wind radar radish radish seed radium radium-223 radium[223Ra]dichloride radium-226 radium-228 radium-beryllium neutron source radium isotope hydrogeology radium standard RADIUS radius

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