1) and Time display slave clock
子钟
2) molecular clock
分子钟
1.
The paper also exploits the research and application of phylogeography on fish and its prospects from the aspects of geographical isolation,population dispersal,gene flow,fauna division and molecular clock estimate.
还从地理隔离、种群扩散、基因交流、区系划分、分子钟估算等方面阐述了系统地理学在鱼类的应用研究现况和应用前景。
2.
With galliform/anseriform divergence time as anchor point, molecular clock of basal Phasianidae is sequentially calibrated using 10 cytochrome b protein complete sequences.
使用 10个细胞色素b蛋白质全序列对雉科基部类群的分子钟进行了顺序标定 。
3.
Based on genetic distances, molecular evolution rates established by the hypothesis of molecular clock can be used to deduce the origin or divergence time of different organism taxa.
分子钟研究为探究早期生命演化提供了一个新的途径 ,不仅可用来对基于化石记录的传统结论加以验证 ,同时对于化石记录不完整的生物类群起源历史的推测具有特殊意义。
3) CPT (Coherent Population Trapping) clock
CPT原子钟
4) Hydrogen Maser
氢原子钟
1.
Hydrogen absorbing alloys have been widely used today to store the hydrogen,they also can be applied to the Hydrogen Maser.
合金储氢方式现在已被广泛采用,这种储氢方式也可应用于氢原子钟。
2.
The hydrogen maser is the generally available frequency standard with the smallest frequency instability for all but the shortest measuring time interval.
氢原子钟是一种最稳定的 (除极短测量时间间隔之外 )频率标准 ,但是环境温度变化及微波谐振腔老化会引起原子钟输出频率的变化 ,从而导致氢原子钟长期性能变差。
3.
To offer high-precision time/frequency signals, people have developed hydrogen masers of which all terms of performances are excellent excepting long-term frequency stability.
为了提供高精密的时间频率,人类已经研制出氢原子钟,除长期稳定度之外,它的各项性能都是十分优秀的。
5) atomic clock
原子钟
1.
Detection of phase-frequency skip of atomic clock based on wavelet transform;
小波变换在原子钟相频跳变检测中的应用
2.
Analysis of frequency stability of atomic clock under sinusoidal vibration;
正弦振动条件下原子钟的频率稳定度分析
3.
Study on the Analysis Theories and Algorithms of the Time and Frequency Characterization for Atomic Clocks of Navigation Satellites;
导航卫星原子钟时频特性分析理论与方法研究
6) cold atomic clocks
冷原子钟
参考词条
补充资料：钟子
1.指钟子期。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。