课后服务助力“双减”

　　今年以来，河北省唐山市丰南区积极落实“双减”政策，深化课后服务全覆盖，结合学生兴趣爱好，广泛开设体育、艺术、音乐、舞蹈、科技、阅读等多样化课程，促进学生素质全面发展。图为10月11日，在河北省唐山市丰南区蒲子泊小学，学生们在操场上进行足球训练。李秀清摄/光明图片

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.