Shanghai 20 13 High-voltage Electrician Online Certificate Examination has no questions and answers, only the previous training materials are available in your training school, because the current high-voltage electrician online certificate examination is unified nationwide, and even the school you are training doesn't know the questions. How many candidates did the training unit apply to the State Electricity Regulatory Commission at the next higher level before the unified class started, and the State Electricity Regulatory Commission applied to the State Electricity Regulatory Commission at the next higher level after receiving the application? One week before the exam, the office of the State Electricity Regulatory Commission will distribute the test paper data packets to the candidates' offices, and the office will distribute the test paper data packets to the training schools the day before the exam. All the exams are computer exams. The teacher clicks to distribute the test paper, and the examinee's computer is the test paper of the day.