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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
随便看
rate of commodity turnover for books
rate of contraception
rate of convergence
rate of decay
rate of decrease
rate of deformation
rate of diffusion
rate of discovery
rate of divorce
rate of earthquake occurrence
rate of entropy production
rate of escape
rate of exchange
rate of flow
rate of formation
rate of gain
rate of generation of information
rate of grassland turnover
rate of growth
rate of incidence
rate of increase
rate of induced abortion
rate of interest
rate of mass transfer
rate of mixing
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