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数字频率
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数字频率
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digital frequency
数字频率
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accessibility planning
accessibility sampling
accessibility theory
accessible
accessible boundary arc
accessible boundary point
accessible category
accessible design
accessible design service object
accessible domain
accessible entrance
accessible environment
accessible jump process
accessible ordinal number
accessible point
accessible random variable
accessible relation
accessible routes
accessible singularity
accessible space
accessible stairway
accessible state
accessible subgroup
accessible surface
accessible time
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