1. Training times refer to the total number of participants in training activities, that is, the total number of participants in training activities, and the number of participants in training activities refers to the number of independent individuals, that is, the number of participants of the same person is not counted repeatedly.

2. The number of trainees is more suitable for measuring the activity of training and the scale of training activities, which can reflect the frequency and participation of training. The greater the number of trainees, the more training activities or participants. The number of trainees is more suitable for measuring the number of independent individuals who actually participate in training, and can reflect the coverage and participants of training. More trainees mean more extensive participation or more different individuals benefit.