You can take the exam. It means that two years after you graduated from junior college, you have obtained the same academic qualifications as your undergraduate course, and you can go to the postgraduate entrance examination. But please be sure to read carefully the notes in the enrollment catalogue of your major, such as will you recruit candidates with the same academic ability? Or what are the subjects of candidates with equivalent academic qualifications? The graduate schools of these three institutions can find the catalogue of enrollment majors. If it's still unclear, use a mobile phone software called Yan Tubao, which is a bit like Zhihu and has a quick response.