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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
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history of water conservancy of inland river in northwest China
history of water conservancy science and technology
history of water conservancy science and technology in China
history of water resources development in the world
History of Wei
history of weights and measures in China
history of West Asia
history of western esthetics
history of Western historiography
history of western legal thoughts
History of Western Library
History of Western Philosophy
History of Western Psychology
history of western scientific psychology
history of Western sociology
history of wheat cultivation
history of wheat cultivation in China
history of woolentextile
history of world agricultural economy
history of world aviation
history of world hydroelectric power technology
History of World Industry Design
history of world spaceflight
History of Wuyue Dynasty
history of Yellow River dike engineering
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