“pyramid of numbers”的概念、定义、翻译、参考文献-科学参考

单词	pyramid of numbers
释义	pyramid of numbers [`pir·ǝ´mid ǝv `nǝm·bǝrz] ^ECOLOGY The concept that an organism making up the base of a food chain is numerically abundant while each succeeding member of the chain is represented by successively fewer individuals; uses feeding relationship as a basis for the quantitative analysis of an ecological system.
随便看	rout route route chart Weierstrass' test for convergence Weierstrass transform Weigert effect weighing rain gage weight weight and balance sheet weight barometer weight density weighted aggregative index weighted area masks weighted average weighted code weighted moving average weighted oscillator strength weight factor weight function weighting weighting network weightlessness weightlessness switch weight-loaded regulator weight thermometer

科学参考收录了103327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。