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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
optimal multiprogramming
optimal open-loop control
optimal operational scale of grassland livestock industry
optimal operation of distributed energy system under off-design condition
optimal optical orthogonal code
optimal parallel algorithm
optimal parameter
optimal path
optimal path analysis
optimal performance of thermodynamic process and cycle
optimal planning
optimal policy
optimal prediction
optimal predictive control
optimal process
optimal program
optimal programming
optimal programming control
optimal quadrature formula
optimal regime
optimal regulation
optimal regulation for reservoir group and gate dam
optimal regulator
optimal rotation age
optimal rule
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