The study time is different, one is five years and the other is four years. Studying in Beihang University 3+2 means going abroad for two years in the last three years in China, and 2+2 means going abroad for two years and then two years in Beihang University.
2. The enrollment situation is different. Studying abroad for 3+2 can pass IELTS 4.5, and it is no problem to have three college entrance examinations, but 2+2 requires IELTS 5.0, and the scores of college entrance examinations for engineering majors reach two local scores, and the scores of English subjects are above 1 10; IELTS 5.5 or above; TOEFL score above 70, mathematics single subject score above 1 10;
3. The counterpart schools are different. Beihang University's 3+2 study abroad is to go to the UK for undergraduate study, and then you can apply for graduate students from other countries or local schools in the UK. Beihang's 2+2 study abroad is to go to the United States. Even in China, the textbooks are different. The former is British textbooks and the latter is American textbooks.