Dafang tea leaves take on a yellowish green colour with sleek and flat shapes. Its buds are usually hidden and covered with golden down. When brewed, the liquor gives a durable fragrance with a sweet aftertaste. Different drying processes separate Da Fang tea into two types. Zhong Huo () features a chestnut-like aroma, while Qing Huo () features a brisk and delicate taste. Dafang tea Da Fang (; pronounced ), also named Zhupu Da Fang or Zhuye Da Fang, is a Chinese green tea. It is considered one of China's top ten teas by some Chinese tea experts. Like Longjing tea, it
Qin Jiushao Qin Jiushao Qin Jiushao (, ca. 1202–1261), courtesy name Daogu (道古), was a Chinese mathematician, inventor, politician and author. He is credited for discovering Horner's method as well as inventing Tianchi Basins, a type of rain gauge instrument used to gather meteorological data. Although Qin Jiushao was born in Ziyang, Sichuan, his family came from Shandong province. He is regarded as one of the greatest mathematicians in Chinese history. This is especially remarkable because Qin did not devote his life to mathematics. He was accomplished in many other fields and held a series of bureaucratic positions in several Chinese provinces.