请输入您要查询的字词:
单词
退耕还草
释义
退耕还草
Encyclopedia
法学
草原法
释
conversion of degraded farmland into grassland
退耕还草
中国实行的无偿给予农民粮食和补助,让其不再在坡耕地上种植粮食而改为种草,以防治坡耕地严重水土流失的措施。
随便看
umbilic direction
umbilic line
umbilic point
umbilicus
umbra
umbra and penumbra of the sunspot
umbral
umbral algebra
umbral calculus
umbral dot
umbral eclipse
umbral flash
umbral index
umbral notation
umbral operator
umbral shift
umbrella
umbrella anchor winch
umbrella clause
umbrella effect
umbrella fern
umbrella fern family
umbrella ferns
umbrella graph
umbrella hydro-generator
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:2026/2/27 10:14:17