Introduction - If you have any usage issues, please Google them yourself
1, the judge enter the year of the zodiac 2, QPSK modulation and QDPSK simulation system 3, enter the student management system interface 4, according to the consumer to determine the user' s gift 5, the number of the input valid three sorts 6, to determine whether the year entered Leap Year 7, enter the date judgment is the first year in the first few days