请输入您要查询的字词:
单词
first demographic transition
释义
first demographic transition
Encyclopedia
法学
人口转变
释
first demographic transition
第一次人口转变
人口出生率、死亡率和自然增长率从传统的“高出生(率)、高死亡(率)、低增长(率)”,经历“高出生(率)、低死亡(率)、高增长(率)”的转换过渡,转变为“低出生(率)、低死亡(率)、低增长(率)”的现代人口再生产类型的历史演变过程。
随便看
metalinear
metal-in-gap head
metal-in-gap head, MIG head
metal-insulate-semiconductor field effect transistor
metal-insulate-semiconductor field effect transistor, MISFET
metal-insulator-semiconductor field-effect transistor
metal-insulator-semiconductor field-effect transistor, MISFET
metal-insulator-semiconductor structure
metal-insulator-semiconductor structure, MIS
metal-insulator transition
metal ion activated enzyme
metal ion buffer solution
metal ion mediated protein folding
metal ion-mediated protein folding
metal ion probe
metal ion replacement
metallabenzene
metallacrown ethers complex
metallation
metallic
metallic asteroid
metallic biomaterials
metallic bond
metallic bonding
metallic carbon nanotube
科学参考收录了854744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。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/3/26 9:28:38