By means of one example of Photoelectricity Calculagraph ,this paper is focused on the principle of Serial Communication with PC104 and gives one application of the principle.
本文结合光电计时仪实例,介绍了PC104串口通信原理及其在工程中的实践应用。
A device, such as a clock or sundial, used in telling time.
计时仪用于计时的装置（如钟或日昝）
Timekeeping instruments-Symbolization of control positions
GB/T4028-1994计时仪器的检验位置标记
The answer lies in the time-measuring instruments used in ancient China.
这与我国古代使用的计时仪器有关。
These mixtures of astronomical instruments and time-measuring devices cannot be seen as independent time measurers.
这类计时器尚不能算是独立的计时器，还是天文仪器与计时仪器的混合体。
Time measurement instruments Conditions for carrying out checks on radioluminescent deposits?
计时仪器? 进行辐射发光涂层检查的条件
Greiner chronocomparator
格林纳精密时计比较仪
A chronometer on a ship.
经线仪船上的精密仪记时计
Design of Real-time Spectrum Analyzer Based on Virtual Instrument
基于虚拟仪器的实时频谱分析仪设计
Design of the Functions of Digital Temperature and Real-time Clock in Intelligent Instrument
智能仪器仪表中数字温度实时时钟功能的设计
The Design of a High Resolution Time Interval Measurement Instrument
高分辨率时间间隔测量仪设计与实现
Design of recording drilling apparatus based on ATmega128
基于ATmega128的钻时录井仪设计
A Design for the Precise Time-interval Measuring Instrument Based FPGA
基于FPGA的精密时间间隔测量仪设计
Simultaneously, the adaptometer begin timing until the driver can see the visual target clearly.
同时测试仪开始计时，至被测者看清视标时停止计时。
An optical instrument for the precise measurement of very small time intervals.
瞬时计精确测量很小时间间隔的光学仪器
Design of Standard Time Interval Measuring Instrument and Research on Time Synchronization Technology;
标准时延测试仪的设计和时间同步技术的研究
Milliseconds Instrument in three-wire pendulum Experiment
计时计数毫秒仪在三线摆实验中的应用
Design and application of a statistical method in NGN test instrument
NGN网络测试仪表实时统计方案的设计与应用
Scheme of Multi-channel Time Interval Measurement System Based on Virtual Instrument;
基于虚拟仪器的多通道时间间隔测量仪的研究与设计