1.
THE DEVELOPMENT OF HIGH-PERFORMANCE FREQUENCY SIGNAL DISTRIBUTION AMPLIFIER FOR HYDROGEN MASER
高性能氢钟频率信号分配放大器的研制
2.
A SINGLE MODULATION FREQUENCY METHOD USED IN THE PASSIVE H MASER
利用单频调制技术实现被动型氢钟的锁定
3.
The Design of Divide Frequency Implement of Hydrogen Maser Based on the FPGA;
基于FPGA的氢原子钟分频钟的设计
4.
RESEARCH ON METHODS FOR PREDICTING CLOCK ERROR BASED ON DOMECTIC HYDROGEN ATOMIC CLOCK
基于国产氢原子钟的钟差预报方法研究
5.
The research of the monitor system for hydrogen atomic clock
基于氢原子钟智能化监控部分的改进
6.
Design of Atomic Hydrogen Maser Remote Monitor System Based on Virtual Instruments;
基于虚拟仪器的氢原子钟远程监测系统
7.
The H maser's day stability reaches 2E-15/day at Shanghai Astronomical Observatory
上海天文台主动型氢原子钟的天稳好于2E-15
8.
The output of light and heat of the Sun requires that some 600 million tons of hydrogen be converted into helium in the Sun every second.
太阳光和热的产生每秒钟需要将6亿吨氢气转换成氦。
9.
Numerical analysis and design of novel microwave cavity for passive hydrogen maser
用于被动型氢原子钟的矩形磁控管微波腔的设计
10.
prussic acid
【化】氢氰酸, 氰化氢
11.
the chime of church; bells/of the clock
教堂钟[时钟]的钟声.
12.
To play a carillon.
演奏排钟（或钟琴）
13.
What time is it ? It' s 8 o' clock.
几点钟了？八点钟。
14.
Hydrocodone hydriodide
二氢可待因酮氢碘化物
15.
Desomorphine hydrobromide
氢溴化二氢去氧吗啡
16.
Hydrocodone hydrochloride
二氢可待因酮氢氯化物
17.
dihydrolipoamide dehydrogenase
二氢硫辛酰胺脱氢酶
18.
The ringing or sounding of bells.
钟声钟的鸣响或声响