Twice. At the official website of Kunming University of Science and Technology, I learned that the undergraduate thesis defense of this school is twice a year, and students need to write papers. This school is located in Kunming, the capital of Yunnan Province, and is jointly built by the Yunnan Provincial People's Government and the State Administration of Science, Technology and Industry for National Defense. It is a key construction university implemented by the national "Key Discipline Project" and "Basic Capacity Building Project of Universities in the Midwest".