“population density”的概念、定义、翻译、参考文献-科学参考

单词	population density
释义	population density [´päp·yǝ`lā·shǝn `den·sǝd·ē] ^ECOLOGY The size of the population within a particular unit of space.
随便看	multiple openings multiple-parallel-tubing string multiple-pass weld multiple personality multiple piece rate plan multiple point multiple precision arithmetic multiple pregnancy multiple programming multiple punching multiple-purpose tester multiple reflection multiple reflection echoes multiple resonance multiple root multiple-row blasting multiple sampling multiple scattering multiple sclerosis multiple series multiple serositis multiple shooting multiple-shot survey multiple-slide press multiple spot welding

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。