三時年限
Từ Điển Thuật Ngữ Phật Học Hán Ngữ
The three periods of Buddhism— 1,000 years of 正法 pure or orthodox doctrine, 1,000 years of 像法 resemblance to purity, and 10,000 years of 末法 decay. Other definitions are 正 and 像 500 years each, or 正 1,000 and 像 500, or 正 500 and 像 1,000.