time reference

Design and Implementation of Real-time Reference Services System Based on Short Message Service

基于短消息服务设计与实现实时参考咨询系统的技术研究

Past tense System that occurred during the past time reference point total at a time before the reference point is usually the time to speak of the time.

过去时制表示事件发生的时间总在某一时间参照点之前，这一时间参照点通常为说话的时间。

Chat Real Time Reference Service and Analysis of Characters

chat实时参考咨询服务及其优缺点分析

Skills of Answer in g Questions of Real-time Reference Services

在线咨询的解答技巧

The synchronization signal provides each of the plurality of devices a time reference to synchronize the data rate.

该同步信号为多个设备中的每一个提供一个时间参考，用于同步数据速率。

Rubidium atomic clock is used for the time reference signal in the system, by which the user can get the positioning information without sending any signal.

该系统用高稳定度铷钟作为时间基准信号，实现了无源导航定位功能。

Economize of Mobile Base Station TIME REFERENCE OF VLBI

移动基站的综合节能上海天文台VLBI站的时间基准

This paper has a brief introduction to a kind of time reference velocity-control principle, which can improve productivity of mine hoist.

简要介绍了一种能够提高矿井提升机生产率的速度控制时间给定原则。

With adding a main station connected with the reference station by a fiber, the time synchronization between the reference stations of the TDOA algorithm was achieved and the position frames were send. 3.

通过增加一个与参考站以有线光纤相连的主站，实现了TDOA算法所需要的参考站之间的时间同步，完成定位信息帧的发送。

It provides a exact time reference, implements timekeeping or delay-control, works as a counter and stamp event in the system.

它为系统提供精确的时间基准，可以实现定时或延时控制，并能够计数和记录事件。

Web-based Real-time Reference Service Beyond China: Its Practice and Analysis

国外网上实时参考服务的实践与分析

In the framework of general relativity, the definitions and transform methods about basic space time reference are studied, definitions of coordinate time reference and space coordinate reference are presented. 3.

在广义相对论框架下，研究了基本时空参考系BCRS和GCRS的定义及转换方法，给出了坐标时参考系和空间坐标参考系的定义。

This paper researches the adaptive control system of discrete time reference model of input saturation character.

就输入存在饱和特性的离散时间参考模型自适应控制系统进行了探讨。

The reference versions are intended for saving the teachers the time and energy;

参考译文本来有助于教师节省备课时间与精力；

Collaboration and Process of Real-Time Reference Inquiry

论实时参考咨询的协作与过程

Based on model reference adaptive control method, a kind subject reference adaptive time compensator is presented.

基于模型参考自适应控制原理, 提出对象参考参数自适应时滞补偿器.

An Evaluation of Foreign Real-time Reference Software

国外实时咨询软件评价

Model reference adaptive predictor control for time-varying system with variable time delay

可变纯滞后时变系统模型参考自适应预估控制

On the Status Quo of Real-time Reference Service

实时参考咨询服务在国内开展的现状与分析

The theoretical foundation of time reference function is the Theory of Intersecting between Situation Structure and Grammatical Aspect.

体标记的时间指向功能的理论支撑，是体义相交理论。

A method of providing unified time reference for accurate attitude-measure system

为姿态精确测量系统提供统一时间基准的一种方法

As a universal time reference to digital circuit, the clock signal plays more and more important role in designs.

而在数字芯片系统中，时钟信号作为电路系统的时间参考占据着极其重要的地位。

High-precision satellite navigation and positioning, timing measurement, posture measurement and lateral measurement techniques depend on high-precision spatial reference and time reference.

高精度的卫星导航定位、授时、测姿及侧向等技术都依赖于高精度的空间基准和时间基准。

Show the progress achieved by reference to a revised time chart.

根据已修改过的时程图展示已达成的进度.

The contradiction was settled by adopting the control structure of MCU+ CPLD and the high-speed data acquisition controller and the time reference mark demarcation module were designed with CPLD.

为了解决上述矛盾笔者采用了MCU+CPLD控制结构，用CPLD设计了高速数据采集控制器和时标标定模块解决上述问题。

Time Reference: A drop down with values of Yes or No. By setting this to Yes the report manager does not need to provide another time context for the report.

Time Reference：一个包含Yes或No值的下拉列表。将其设置为Yes，报表管理器就无需为报表提供另一个时间上下文。

High precision time reference which based on the technology of atomic clock, usually affects the national security and the development level in the related high-tech field.

高精度时间基准即原子钟技术，关系到国家安全和其他高科技领域发展水平。

These signals provide an important reference of the gain of antenna, the time reference, the phase reference and the frequency of carrier wave for generating stimulant echo signal.

这些信号分别为模拟回波信号的生成提供了天线增益大小、时间基准、相位基准和载波频率大小等重要的参考信息。

Conclusion: ( 1) Incoporate our 20 food safety standards into one Standard like CAC, at the same time reference the food classification of CAC.

结论：（1）建议参照CAC标准将各种污染物限量标准合并成一个通用标准，在制定食物中的污染物限量标准时可适当参照CAC的食物分类。

Time reference of VLBI

上海天文台VLBI站的时间基准