narrow ①狹窄的，狹小的，受限制的，嚴(yán)密的，精確的②收縮，限制，縮小，變窄
narrow V belt 窄 V 帶
narrow V-engine 窄 V型發(fā)動(dòng)機(jī)
narrow angle camera 窄角照相機(jī)
narrow angle diffusion 深照型漫射
narrow angle lighting fittings 深照型照明器
narrow angle luminaire 深照型照明器
narrow band 窄 (頻 )帶，窄波段
narrow band channel 窄 (頻 )帶信道
narrow band filter 窄帶濾波器
narrow band spectrum 窄波段
narrow base 窄基礎(chǔ)
narrow base tower 窄基桿塔
narrow beam 窄射束，聚焦射束
narrow beam antenna 窄波束天線(xiàn)
narrow beam sound source 狹柬聲源
narrow beam sounding system 狹束測(cè)深裝置
narrow beam transducer 狹束換能器
narrow combine 窄幅聯(lián)合收獲機(jī)
narrow cut 窄鎦分
narrow die 窄砧
narrow energy gap material 窄禁帶寬度材料
narrow fabric loom 窄帶織機(jī)
narrow flat steel 窄扁鋼
narrow fraction 窄餾分
narrow frequency 窄頻帶
narrow gap 狹窄通路，狹窄通道
narrow gap helix 窄縫螺旋線(xiàn)
narrow gap one-side automatic welding 狹間隙單面自動(dòng)電弧焊
narrow gate 窄選通脈沖，窄閘門(mén)
narrow gauge railway 窄軌鐵路
narrow gauge track 窄軌道
narrow guide 狹導(dǎo)軌
narrow gun 窄徑電子槍
narrow path 窄路
narrow pulse 窄脈沖
narrow pulse generator 窄脈沖發(fā)生器
narrow spectral line 窄譜線(xiàn)
narrow wave band 窄波段
narrow-aisle fork truck 狹窄通道用的叉車(chē)
narrow-band allocation 窄 (頻 )帶分配
narrow-band amplifier 窄頻帶放大器
narrow-band antenna 窄 (頻 )帶天線(xiàn)
narrow-band axis 窄通帶軸，狹通帶軸
narrow-band channel 窄帶信道
narrow-band crystal filter 窄 (頻 )帶晶體濾波器
narrow-band detector 窄 (頻 )帶檢波器
narrow-band filter 窄帶濾波器
narrow-band frequency modulation 窄帶調(diào)頻
narrow-band interference 窄 (頻 )帶干擾
narrow-band path 窄帶通路
narrow-band radio noise 窄 (頻 )帶無(wú)線(xiàn)電噪聲
narrow-band random vibration 窄帶隨機(jī)振動(dòng)
narrow-band reception 窄 (頻 )帶接收
narrow-band spectrum 窄帶譜
narrow-band system 窄 (頻 )帶制
narrow-band television 窄 (頻 )帶電視
narrow-band-gap material 窄禁帶寬度材料
narrow-band-long-wave omnidirectional range 窄 (頻 )帶長(zhǎng)波全向無(wú)線(xiàn)電信標(biāo)
narrow-band-pass filter 窄通帶濾波器
narrow-base photodiode 薄基底光電二極管，窄基極光電二極管
narrow-base phototransistor 窄基極光電晶體管
narrow-base transistor 窄基極光電晶體管
narrow-gap semiconductor 窄能隙半導(dǎo)體
narrow-gap spark chamber 窄隙火花室
narrow-gap welding 窄間隙焊
narrow-gate amplifier 窄選通脈沖放大器，短時(shí)選擇脈沖放大器
narrow-gate circuit 窄門(mén)電路，窄選通脈沖電路，短時(shí)選擇脈沖電路，窄電閘電路，窄閘門(mén)電路
narrow-gate pulse 窄選通脈沖
narrow-gauge ①窄軌鐵道，窄軌距②窄軌車(chē)
narrow-meshed 窄篩分 (的 )
narrow-mouthed bottle 細(xì)口瓶
narrow-neck electron gun 細(xì)頸電子槍
narrow-necked bottle 細(xì)頸瓶
narrow-pillar file 窄齊頭平銼
narrow-row cultivator 窄行中耕機(jī)
narrow-row seeder 窄行播種機(jī)
narrow-sector recorder 窄扇面記錄儀
narrow-track seeder 窄輪距播種機(jī)
narrowing 縮小，收縮，窄化，變窄
narrowing circuit 脈沖壓縮電路，脈沖變尖電路，脈沖變窄電路
narrowing cutter 閥座銑刀，窄座銑刀
narrowing of pulse 脈沖壓縮
nascent aluminium 新生態(tài)鋁，初生態(tài)鋁
nascent carbon 新生態(tài)碳
nascent chromium 新生態(tài)鉻，初生態(tài)鉻
nascent hydrogen 新生氫，初生氫
nascent neutron 初生中子
nascent nitrogen 新生態(tài)氮
nascent state 新生狀態(tài)，初生態(tài)
nascent vacancy 新生空位
national information system 國(guó)家信息系統(tǒng)
national keyboard 國(guó)語(yǔ)鍵盤(pán)
national measuring system 國(guó)家計(jì)量系統(tǒng) [NMS]
national number 國(guó)內(nèi)號(hào)碼
national satellite 國(guó)土衛(wèi)星
national standard ①?lài)?guó)家標(biāo)準(zhǔn)②國(guó)家基準(zhǔn)器
national standard thread 國(guó)家標(biāo)準(zhǔn)螺紋
national supergrid 國(guó)家超級(jí)電力網(wǎng)
nationwide power grid system 全國(guó)電網(wǎng)系統(tǒng)
nationwide service network 全國(guó)范圍服務(wù)網(wǎng)
nationwide toll dialing 全國(guó)范圍的長(zhǎng)途撥號(hào)
native 天然的，自然的，天賦的
native alloy 天然合金，自然合金
native antimony 自然銻
native attachment 本機(jī)附件
native bismuth 自然鉍
native boundary 自然邊界
native boundary condition 自然邊界條件
native command name 自然命令名字，固有命令名字
native copper 天然銅，自然銅
native dement 天然元素
native gold 原金
native graphite 天然石墨
native iron 天然鐵
native iron making process 土法煉鐵
native mercury 天然汞
native metal 天然金屬
native mode 本機(jī)方式
native nickel 天然鎳
native products processing machinery 土特產(chǎn)加工機(jī)
native silver 天然銀，自然銀
native sulphur 自然硫
natrium 鈉 Na(11)
natrium lead 鈉鉛合金 (Na 2％ )
natron 氧化鈉，泡堿，含水蘇打
natron calk 堿石灰
natural ①天然的，自然的②固有的，本來(lái)的，本質(zhì)的③常態(tài)的，正常的
natural abrasive 天然磨料
natural acceleration 固有加速度
natural admittance 自然導(dǎo)納，固有導(dǎo)納
natural ageing 自然時(shí)效，自然老化
natural aggregate 天然集料，天然集合體，自然團(tuán)聚體
natural air 自然空氣
natural air circulation 空氣自然循環(huán)
natural air cooling 自然通風(fēng)冷卻
natural air cooling system 自然通風(fēng)冷卻系統(tǒng)