1) the moon parallax
食甚
1.
Scholars,such as Zhu Zaiyu,considered that Shicha of lunar eclipse in ancient China was a correction of the moon parallax.
中国古代历法中的月食时差算法是为了修正定望和食甚时刻之间的时间差而设计的。
2) the time of the middle eclipse
食甚时刻
4) Shenzhi
甚至
1.
"Shenzhi" was used as an adverb and a conjunction in ancient times.
"甚至"一词在古代有连词和副词两种用法。
5) VLF
甚低频
1.
Numerical Calculation of VLF Umbrella Transmit Antenna;
甚低频伞形发射天线数值计算
2.
Performance Analysis of Power Devices Used for VLF Solid-state Amplifier;
甚低频固态发射机功率器件分析
3.
Discussion of Shield Issue under VLF Strong Electromagnetic Environment;
甚低频强电磁环境下屏蔽问题的探讨
6) Very High Frequency(VHF)
甚高频
1.
An on-line monitoring system for partial discharge of generators was introduced,which was based on the Very High Frequency(VHF) measuring technology and the time-delay identification anti-interference principles.
介绍了一种基于甚高频测量技术和时延鉴别抗干扰原理的发电机局部放电在线监测装置,分析了装置采用的抗干扰方法。
2.
It is concluded that the signal-to-noise ratio(SNR)is higher when the frequency band is 5～50 MHz;the single impulse sequence comparing method based on very high frequency(VHF)testing technique and dual transducer coupling is efficient in interference rejection.
最后得出:5~50MHz的测量频带的信噪比较高,基于甚高频测试技术和双传感器耦合的单个脉冲时序对比法抗干扰效果良好。
补充资料：食甚
1.日偏食或月偏食过程中，太阳被月亮遮盖最多或月亮被地球阴影遮盖最多时，两者的位置关系;日全食或月全食过程中，太阳被月亮全部遮盖或月亮完全走进地球阴影里而两个中心距离最近时，两者之间的位置关系。亦指发生上述位置关系的时刻。食甚发生在食既之后。食，通"蚀"。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条