master timing frequency 主定时频率
frequency timing generator 频率定时发生器
timing and frequency unit 定时与频率装置
Frequency and Timing of Sampling 采样频率及时间
timing and frequency offset 定时和频率偏差
These years, it is the latest research subject that GPS timing frequency calibrating data has been conducted by using Kalman filter technology in order to increase accuracy.
利用卡尔曼滤波技术对GPS定时校频数据进行处理提高精度，是国际上近几年的最新研究课题。
This will give you information on the frequency, timing, and duration of garbage collection operations.
这会使您得到垃圾收集操作的频率、定时和持续时间等信息。
This policy addresses concerns about when (timing) and how often (frequency) these model management practices and procedures are applied.
该政策处理的是什么时候应用模型管理操作和规程（计时），多久进行一次（频率）。
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