|
N scope
|
N
型显示器
|
|
N-core-per-bit store
|
每位
n个磁心的存储器
|
|
N-display
|
N
型显示器
|
|
N-donsity
|
N
稠密性
|
|
N-electron
|
N
电子
|
|
N-entity
|
N
层实体
|
|
N-terminal pair network
|
N
端子对网络
|
|
N-type oxide gas sensor
|
N
型氧化物气敏组件
|
|
N-wave
|
N
形波
|
|
N.T.C. thermistor
|
负温度系数热敏电阻器
|
|
NAC
|
(Negative Acknowledge Character)
否定字符
|
|
NACA
|
(National Advisory Committee for Aeronautics)
美国航空管理局
(NASA的前身
)
|
|
NACA aerofoil
|
NACA
的翼型
|
|
NACA duct
|
NACA
进气管道
|
|
NAF
|
(Network Access Facility)
网络存取设备
|
|
|
(Network Access Machine)
网络存取机机
|
|
NAND
|
“与非”
|
|
NAND circuit
|
“与非”电路
|
|
NAND element
|
“与非”门,“与非”组件
|
|
NAND gate
|
“与非”门
|
|
NAND logic
|
“与非”逻辑
(电路
)
|
|
NAND operation
|
“与非”运算
|
|
NAND operator
|
“与非”运符,“与非”算子
|
|
NASA
|
(National Aeronautics and Space Administration)
美国航空和航天管理局
|
|
NASA-Lewis simulator
|
NASA-
刘易斯模拟器
|
|
NAU
|
(Network Addressable Unit)
网络可编址设备
|
|
NBS
|
(National Bureau of Standard)
美国标准局
|
|
NBS equation
|
美国标准局方程
|
|
NBS manometer
|
美国标准局量压力计
|
|
NC
|
(Numerical Control)
数控
|
|
NC case hardening
|
表面渗氮碳硬化处理
|
|
NC cutting
|
数控切削
|
|
NC cutting machine
|
数控切削机
|
|
NC cutting tool
|
数控刀具
|
|
NC drilling machine
|
数控钻床
|
|
NC grinding machine
|
数控磨床
|
|
NC language processor
|
数控语言处理机
|
|
NC lathe
|
数控车床
|
|
NC machine
|
数控机
|
|
NC mixture
|
数控混合剂,烟幕剂
(锌粉、高氯酸铵、氯化铵等的混合剂
)
|
|
NC programming system
|
数控程序制作系统
|
|
NC robot
|
数控机器人
|
|
NC type milling machine
|
数控铣床
|
|
NC type punch press
|
数控冲模回转头压力机
|
|
NDIR
|
(Non-Dispersive Infrared)
非扩散式红外线试验方法
|
|
NDUV
|
(Non-Dispersive Ultraviolet)
非扩散式紫外线试验方法
|
|
NE Isometric
|
东北等轴测 东北等角
|
|
NEL
|
(National Engineering Laboratory)
英国国家工程实验室
|
|
NEL equation for thermal conductivities of liquid mixtures
|
NEL
计算液体混合物导热率的方程
|
|
NEMA
|
(National Electrical Manufacturing Association)
国家电气制造商协会
|
|
NEMA standard condition
|
NEMA
标准条件
|
|
NEPA
|
(Nuclear Energy Propulsion for Aircraft)
飞机的核能推进
|
|
NERVA
|
(Nuclear Engine for Rocket Vehicle Application)
火箭飞行器用的核发动机
|
|
NETWARE Network Architecture
|
NETWARE
网络体系结构
|
|
NETWARE Network Operating System
|
NETWARE
网络操作系统
|
|
NGTE
|
(National Gas Turbine Establishment)
英国燃气轮机研究发展中心
|
|
NGV
|
(natural gas vehicle)
天然气汽车
|
|
NHTSA
|
(National Highway Traffic Safety Administration (US))
(
美
)国家公路交通安全局
|
|
NIM bin
|
NIM
机箱
|
|
NIST
|
(National Institute of Standards and Technology (US))
(
美
)国家标准与技术研究所
|
|
NMR
|
(Nuclear Magnetic Resonance)
核磁共振
|
|
NMR absorption band
|
核磁共振吸收带
|
|
NMR absorption line
|
核磁共振吸收线
|
|
NMR equipment
|
核磁共振仪
|
|
NMR line width
|
核磁共振线宽
|
|
NO
|
(Oxides of Nitrogen Collectively)
氮氧化合物
|
|
NOR
|
“或非”
|
|
NOR circuit
|
“或非”电路
|
|
NOR collator
|
“或非”集电极
|
|
NOR element
|
“或非”门
|
|
NOR gate
|
“或非”门
|
|
NOR operation
|
“或非”操作
|
|
NOT
|
“非”
|
|
NOT ACCEPTED screen status
|
非接收屏幕状态
|
|
NOT circuit
|
“非”电路
|
|
NOT element
|
“非”门
|
|
NOT gate
|
“非”门
|
|
NOT operation
|
非操作
|
|
NOT-AND
|
“与非”
|
|
NOT-AND operation
|
“与非”操作
|
|
NOT-BOTH operation
|
“与非”门运算
|
|
NOT-OR
|
“或非”
|
|
NOT-OR operation
|
“或非”操作
|
|
NOx
|
氧化氮
|
|
NP-complete problem
|
NP-
完全问题
|
|
NPRA
|
(National Petroleum Refiners Association (US)) (
美
)全国石油炼制业协会
|
|
NSSN
|
(National Standards System Network (US)) (
美
)国家标准系统网络
|
|
NTA
|
(National Type Approval (UK)) (
英
)国家定型
|
|
NTSC
|
(National Television System Committee)
美国国家电视标准委员会
|
|
NTSC television system
|
NTSC
制电视系统
|
|
NURB
|
(Nonuniform Rational B-Splines)
非一致有理
B 样条曲线
|
|
NURB surfaces
|
NURB
曲面
|
|
NURBS curve
|
NURBS
曲线
|
|
NVH
|
(Noise
,
Vibration and Harshness) 噪声、振动和冲击
|
|
NW Isometric
|
西北等轴测 西北等角
|
|
Na-k alloy
|
钠钾共晶合金
|
|
NaFion membrane
|
纳氟锚制氢膜
|
|
Nada
|
纳达抗变色铜合金
(Ni 3.5%~
4%,
Sn 3.5%~
4%,
Pb 0.7%~
1%
)
|
|
Nansen bottle
|
内森采水器
|
|
Nansen opening-and-closing net
|
内森开团式网
|
|
Naper
|
奈培
(衰减单位,等于
8.686分贝
)
|
|
Napier deltaictwo stroke engine
|
内皮尔三角式双冲程柴油机
|
|
Napierian logarithm
|
自然对数,纳氏对数
|
|
Narrow-tow-wide-heel
|
小端窄大端宽接触
|
|
Nash bargaining solution
|
纳什商定解
|
|
National Bureau of Standards
|
国家标准局
(美国
)[NBS]
|
|
National Economical Information System
|
国家经济信息系统
|
|
National Science Foundation
|
国家科学基金会
|
|
National Standard Reference Data
|
国家标准参考数据
|
|
National Television System Committee
|
全国电视系统委员会
(美国
)
|
|
Navier-Strokes equation
|
纳维尔
-斯托克流体力学方程
|
|
Navier-Strokes equation for MHD
|
N-S
磁体动力方程
|
|
Navy navigation satellite position fixing system
|
海军导航卫星定位系统
|
|
Nb-Ta mineral
|
铌钽矿物
|
|
NdYAG Laser (CW)
|
NdYAG
激光
(连续式
)
|
|
NdYAG Lasers (LD Pumped)
|
NdYAG
激光
(半导体激光激发
)
|
|
NdYAG Lasers (Pulsed)
|
NdYAG
激光
(脉冲式
)
|
|
Near-infrared Photodiodes
|
光二极体
(近红外光
)
|
|
Nearshore Environmental Analog Prediction System
|
近岸环境模拟预报系统
|
|
Needle bronze
|