请输入您要查询的字词:
单词
封山育林
释义
封山育林
Encyclopedia
农学
森林营造
释
mountain closure for forest restoration
封山育林
遵循森林演替的动态变化规律,利用树木的自然繁殖能力(林木天然更新能力),以封禁为主要手段,辅以人工促进措施,使具有天然下种或萌芽(萌蘖)更新能力的疏林、灌丛、采伐迹地、荒山荒地等恢复或发展为森林或灌草植被。是提高森林质量的一项技术措施。
随便看
Journal of Structural Engineering
Journalof Structural Engineering-ASCE
Journal of Systematics and Evolution
Journal of Textile Research
Journal of the American Leather Chemists Association
Journal of the American Medical Informatics Association
Journal of the American Statistical Association
Journal of the Association for Information Science and Technology
Journal of Theater Studies
Journal of the BIS
Journal of The British Interplanetary Society
Journal of the China Society for Scientific and Technical Information
Journal of the Chinese Ceramic Society
Journal of the Chinese Cereals and Oils Association
Journal of the History of Biology
Journal of the History of Ideas
Journal of The Korean Astronomical Society
Journal of the National Library of China
Journal of the North China Branch of the Royal Asiatic Society
Journal of the Philosophy of History
Journal of Thermal Science
Journal of the royal agricultural society of England
Journal of the Royal Statistical Society Series B
Journal of the Society for Constitutional Preparation
Journal of the Society of Leather Technologists and Chemistry
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:2025/10/15 9:59:25