![“fir wood”簡單造句，fir wood造句子]( "“fir wood”簡單造句，fir wood造句子")
發表於：2018-02-11
TheboxismadeoutofChinafirwood.Bythewillowtreeinthecoolfirwood.Theinteriorwalls,ceilings,roofandfacadeshavebeenconstructedwithsilverfirwood.Theverticallyarrangedbattensoft...
![“Japanese fir”簡單造句，Japanese fir造句子]( "“Japanese fir”簡單造句，Japanese fir造句子")
發表於：2017-12-01
HeymainlytradewithJapanesefirms.TheJapanesefirmpaidasmallfortuneforthepainting.SoJapanesefirmsarerushingtohireforeigntalent.However,foreignersnowown28%ofJapanesefirms'sh...
![“Douglas fir”簡單造句，Douglas fir造句子]( "“Douglas fir”簡單造句，Douglas fir造句子")
發表於：2017-07-11
BolmanhasstudiedregionalvariationinDouglasfirseedyields.ThemostcommonconstructionwoodsareDouglasfir,hemlock,spruce,pine,andsomecedar.Anyofseveralsimilarorrelatedtrees,suc...
![“fir”簡單造句，fir造句子]( "“fir”簡單造句，fir造句子")
發表於：2016-11-28
Heidireturnedtothefir-trees.Itisusuallyapineorafir.Thehugefirtreesdroppingtheirneedlesonebyone.Bythewillowtreeinthecoolfirwood.Thisisaverysmallfirtree,decoratedwithsilver...
![“FIR濾波器”簡單造句，FIR濾波器造句子]( "“FIR濾波器”簡單造句，FIR濾波器造句子")
發表於：2024-01-13
1、從FIR信號理論出發，建立了光學FIR濾波器數學模型，並分析了它與FIR濾波器的映*關係。2、應用最廣的是線*、時不變數字濾波器，以及IIR和FIR濾波器。3、提出了一種新的FIR濾波器快速算法，...
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