collection frequency meaning in Chinese

收集次数
收集频率

Collection frequency minor
收集频率（小收集）
Collection frequency full
收集频率（完全）
To cope with the increasing pressure on littering by visitors , afcd increased the litter collection frequency from two times a week to three times a week
为了应付游客增加所带来的更多垃圾，渔护署增加收集垃圾次数，由每周两次增至三次。
During the research , ultrasonic signal testing system was designated by adopting transform the average value of function to nought , optimizing of collection frequency and transducer frequency
在研究过程中，采用零均值化、优化采样频率与探头频率的匹配等对超声信号频谱分析系统进行了标定。