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expected frequency
期望频次
统计检验中,在虚无假设H0成立(行变量与列变量无任何关联性)的情况下,列联表每个格中的数值。
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particle clusters
particle coarsening
particle collision
particle collision cross-section
particle concentration
particle concentration measurement
particle confinement
particle conservation equation
particle counter
particle counters
particle creation
particle damping
particle data acquisition
particle detection
particle detector
particle distribution function
particle dynamics
particle dynamics analyzer
particle emission time scale
particle encounter
particle equivalent diameter
particle escape
particle factory
particle-field interaction
particle filter
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