Mianyang (Chinese: 绵阳; Hanyu Pinyin: Míanyáng; Wade-Giles: Mian-yang) is a prefecture-level city and the second largest city in Sichuan Province, in south central China, with a population of 5.2 million. The city itself has a population of about 450,000 inhabitants. It is also called the "Science City of Western China", and is home to the Chinese Academy of Engineering Physics. Image File history File links Mianyang. ... Hanyu Pinyin (Simplified Chinese: æ±è¯æ¼é³; Traditional Chinese: æ¼¢èªæ¼é³; Hanyu Pinyin: , lit. ... Wade-Giles, sometimes abbreviated Wade, is a Romanization (phonetic notation and transliteration) system for the Chinese language based on Mandarin. ... A prefecture-level city (å°çº§å¸ Pinyin: dìjà shì, literally region-level city) or prefecture-level municipality is an administrative division of the Peoples Republic of China, ranking below a province and above a county in Chinas administrative structure. ... Sichuan (Chinese: åå·; Hanyu Pinyin: ; Wade-Giles: Ssu-ch`uan; Postal Pinyin: Szechwan and Szechuan) is a province in central-western China with its capital at Chengdu. ...