“relative pollen frequency”的概念、定义、翻译、参考文献-科学参考

单词	relative pollen frequency
释义	relative pollen frequency Geology and Earth Sciences Expression of pollen data from sediments for each species, genus, or family, as a percentage of the total pollen count, or the total tree pollen. It is the traditional and most widely used method for preparing pollen diagrams. Compare absolute pollen frequency. See also pollen analysis.
随便看	discrete space discrete structure discrete symmetry discrete system discrete time discrete-time Markov chain discrete variable discretion discretionary access control discretionary policy discretionary spending discretization discretization error discriminant discriminant analysis discriminating monopoly discrimination discrimination information discriminator discriminatory discriminatory analysis disc thermistor discursive logic discussion group discussive logic

科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。