随着现代科学技术的发展，频率及时间的测量以及它们的控制技术在科学技术各领域，特别是在计量学、电子技术、信息科学、通信、天文和电子仪器等领域占有越来越重要的地位。-With modern science and technology development, frequency and time measurement and control technology in their various fields of science and technology, especially in m

时间频率标准在天文、精确时间控制等方面有着重要地位，该程序就是一个实际例子-Time and frequency standards in the fields of astronomy, precise time control has an important position, the program is a practical example

ASTRO真太阳方位天文解算芯片手册Astronomy ASTRO solving real sun position chip manual -Astronomy ASTRO solving real sun position chip manual