滚子半径 radius of roller
第二曲率半径 radius of second curvature
矢径 radius vector
钢轨剖面 rail section
撞凰 ram
冲压式喷气发动机 ram jet
柱塞泵; ram pump
随机酌 random action
随机漂移 random drift
随机载荷 random load
随机过程 random process
随机脉冲 random pulse
第二曲率半径 radius of second curvature
矢径 radius vector
钢轨剖面 rail section
撞凰 ram
冲压式喷气发动机 ram jet
柱塞泵; ram pump
随机酌 random action
随机漂移 random drift
随机载荷 random load
随机过程 random process
随机脉冲 random pulse
随机射线照相检查 Random Radiography
随机风暴波 random storm wave
随机振动 random vibration
随机游动 random walk
射程分布 range distribution
交变应力范围 range of alternating stresses
爆炸范围 range of explosion
线性范围 range of linearity
脉冲重复频率范围 range of pulse repetition frequency
投射距离 range of the projection
射程减缩 range reduction
射程谱 range spectrum
射程速度关系 range velocity relation
兰金固体 rankine body
兰金 雨贡纽关系 rankine hugoniot relation
兰金理论 rankine's theory
兰金涡流 rankine's vortex
快速加热 rapid heating
稀有气体构形 rare gas configuration
稀疏波 rarefactional wave
稀薄空气 rarefied air
速率控制 rate action control
速率常数 rate constant
速率陀螺仪 rate gyroscope
裂纹传播速率 rate of crack propagation
降落速率 rate of fall
散热速率 rate of heat removal
应变速率场 rate of strain field
应变速率张量 rate of strain tensor
河水量 rate of stream flow