请输入您要查询的字词:
单词
fir
释义
fir
Encyclopedia
农学
〔用材树种〕
释
fir
冷杉
松科(Pinaceae)冷杉属(Abies)植物的统称。常绿乔木,树干端直,树形优美,是高山地带的顶级群落组成树种,也是很好的园林绿化观赏树种。
理学
裸子植物
释
fir
冷杉属
裸子植物松目松科的一属。
Mathematics
>代数学>环论>释义
free ideal ring (fir)
自由理想环
fir
= free ideal ring
自由理想环
随便看
set of degeneracy
set of degrees
set of elements
set of equations
set of equivalent positions
set of events
set-off
set of fields
set of finite type
set of first category
set of functionals
set of functions
set of generators
set of generators of a module
set of greater power
Set of Identifications, Measurements, and Bibliography for Astronomical Data
set of identifications,measurements and bibliography for astronomical data
set of imprimitivity
set of infinite type
set of information
set of integers
set of less power
set of local coordinate cards
set of local frames
set of lower bounds
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:2026/8/11 8:44:38