The devices in SDH network possess the function of extracting timing reference from STM-N.
SDH网络设备必需具有从STM - n线路信号中提取定时参考的功能。
The devices in SDH network must have the function of extracting timing reference from STM-N.
SDH网络设备必须具有从STM - N线路信号中提取定时参考的功能。
In this curve, the point which had the largest inclined rate was a timing reference point of low frequency time-code receiver.
该曲线的斜率最大点即为低频时码接收机的秒定时参考点。
This approach may also be taken to update systems with reference data especially where timing of such updates is not critical as in the case of updates with a given start date.
也采用此方法通过使用参考数据更新系统，尤其是此类更新的时间不重要时，例如在给定开始日期进行更新的情况。
Firstly, a series of reference systems, related to GPS navigation positioning system, such as timing system, reference frame and force model system, are discussed in detail.
本文详细地论述了与GPS导航定位系统一系列有关的参考系统：时间系统、坐标系统和力模型系统。
The electric timing system of the main lifting structure on bridge crane is researched in this paper for providing a reference to the improvement of the electric controlling system.
主要研究桥式起重机主起升机构调速系统，为工厂桥式起重机电控系统改造提供一种参考。
Timing shutdown, hibernation small procedures, for novices to learn their use and reference.
定时关机，休眠的小程序，仅供新手学习参考使用。
And experiments based on probe vehicle data provided by the taxi management system of Guangzhou, with reference to vehicle license recognition and practical timing.
并利用广州市出租车综合管理系统提供的浮动车数据，结合车牌计时和跟车测试等实验对该方法的有效性进行了验证。
Timing of the report is vital. Without a point of reference.
报告的时效性十分关键，没有关联度的评估数据只具备很少价值。
Timing of the report is vital. Without a point of reference.
报告的时效性十分关键，没有关联度的评估数据只具备很少价值。
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