周期性

• The script can be called periodically from a
  中周期性地调用这个脚本。
• Almost periodicity for n - species cooperation system with time delay
  种群互惠系统的概周期性
• On the periodic fluctuations of overall price levels in china
  论我国价格总水平的周期性波动
• A kind of general audio frequency periodic noise suppressor
  一种通用的音频周期性噪声抑制器
• New strains of viruses appear periodically
  新菌系的细菌周期性地产生
• Study on the periodical damage and fractal of roof rock - mass
  顶板岩体周期性损伤及其分形研究
• Periodic inspection on electrical appliances
  电器设备的周期性检查
• On the periodic waves of chinese economy
  浅析中国经济的周期性波动
• Periodicities in solar filament activity
  太阳暗条活动的周期性研究
• Real stock returns , inflation and monetary cyclical nature in china
  通货膨胀与货币政策的周期性