标准状态 normal state?
法向应变 normal strain?
法向应力 normal stress?
标准温度 normal temperature?
法向矢量 normal vector?
简正振动 normal vibration?
归一化 normalization?
拿大顶 nose over?
头部 nose?
切口弯曲试验 notch bending test?
切口脆性 notch brittleness?
切口深度 notch depth?
法向应变 normal strain?
法向应力 normal stress?
标准温度 normal temperature?
法向矢量 normal vector?
简正振动 normal vibration?
归一化 normalization?
拿大顶 nose over?
头部 nose?
切口弯曲试验 notch bending test?
切口脆性 notch brittleness?
切口深度 notch depth?
切口效应 notch effect?
切口因数 notch factor?
切口冲豢度 notch impact strength?
切口灵敏度 notch sensitivity?
切口韧性 notch toughness?
切口 notch?
凹口冲辉验 notched bar impact test?
切口抗拉试验 notched bar tensile test?
切口试样 notched specimen?
喷嘴环叶片 nozzle blade?
喷嘴管 nozzle body?
喷嘴效率 nozzle efficiency?
喷管流 nozzle flow?
喷嘴喉部 nozzle throat?
喷口 nozzle?
核爆炸 nuclear explosion?
零点法 null method?
零位面 null plane?
无效 nullification?
自由度数 number of degress of freedom?
数值分析 numerical analysis?
数值计算 numerical calculation?
数值积分 numerical integration?
数值解 numerical solution?
努塞尔特数 nusselt number?
章动锥 nutation cone?
章动常数 nutation constant?
章动频率 nutation frequency?
黄经章动 nutation in longitude?
陀螺章动 nutation of gyroscope?