a></li></ol>&nbsp;&nbsp;&nbsp;<a href="Shangyuan.html#references">Reference</a></div><br><sect id="intro">Introduction</sect><subsect id="systems">Ancient Chinese Astronomical Systems</subsect><p>The Chinese term <i>l&#236;f&#462;</i> (曆法) or simply <i>l&#236;</i> (曆) is sometimes translated as <i>calendar</i>, but this translation is inaccurate. From the 7th century, a <i>l&#236;f&#462;</i> documented in an official historical record consisted of seven sections and their contents are: 1) mean motions