条件概率分布
conditional probability distribution
梯级
rundle; stair; stave; step; tread
step
梯级式成本
stair-step costs
梯级式收益表
multiple-step form of income statement
梯级衰减器
stepped attenuator
梯级图
cascade graphs
梯级形的
scalariform
梯级征
stairs sign
锁定转子频率
locked-rotor frequency
特性频率
characteristic frequency
天线共表频率
antenna resonant frequency
天线自然频率
natural frequency of an antenna
调速频率倍增器
kilystron frequency multiplier
调谐簧频率计
tuned reed frequency meter
调制频率
modulating frequency; modulation frequency
跳动脉冲重现频率
jiffered pulse recurrence frequ-ency
听域频率
audio frequency
听域下频率
infrasonic frequency; subsonic frequency
通用频率因子
universal frequency factor
同步节拍频率
sync tip frequency