校园体育托管班培养运动小健将

　　暑假来临，四川省华蓥市在部分学校试点开办体育托管班，开设排球、篮球、足球、羽毛球等体育项目免费培训，让中小学生在体育锻炼中享受乐趣、增强体质，丰富他们的暑假生活。图为7月22日，参加暑期校园体育托管班的学生在双河第二中学练习排球垫球技术。（周松林摄）

2025 Lte 4G SMS Broadcast Machine Parameters:
1. Vehicle mounted or portable SMS bomber
2. 700 letters per message
3. Maximum power 120W
4. The coverage radius can reach 8km
5. Up to 50000 SMS messages can be sent per hour
6. Use numbers or letters as the sender's name
7. Simultaneous long-distance and short-distance transmission
8. You only need to set the configuration once to use it without restriction.