请输入您要查询的字词:
单词
脉羊齿类
释义
脉羊齿类
Encyclopedia
理学
古植物学
释
neuropterids
脉羊齿类
小羽片为脉羊齿型的种子蕨类植物的集合。小羽片基部收缩成心形,以一点或部分附着于轴上,中脉至小羽片上部消散,侧脉羽状或简单网状。
随便看
emergency evaluation
emergency event
emergency exercise
emergency exercise programme
emergency exercise project management
emergency expert consultation
emergency facilities
emergency for radiological accidents
emergency function-ensuring infrastructures for disaster response
emergency funds
emergency gate of hydropower station
emergency guarantee measures
emergency handle of road transportation
emergency handling of military animal epidemic situation
emergency handling plan
emergency industry
emergency industry technology innovative strategic alliance
emergency information disclosure
emergency information report
emergency information system
emergency intervention
emergency investigation
emergency jettison
emergency landing zone
emergency launch
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:2025/7/3 22:19:13