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戴上"学生证"，孩子行踪随时定位 湖南多地学校运用北斗技术更好保障青少年安全

戴上"学生证"，孩子行踪随时定位 湖南多地学校运用北斗技术更好保障青少年安全
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Changsha
Hunan
China
Xiaoxiang
Zhejiang
Hunan-province
Jiangsu
South-korea
Yueyang
Hengyang
Korea

戴上"学生证"，孩子行踪随时定位 湖南多地学校运用北斗技术更好保障青少年安全_科教.文卫_湖南频道

戴上"学生证"，孩子行踪随时定位 湖南多地学校运用北斗技术更好保障青少年安全_科教.文卫_湖南频道
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South-korea
Korea
Jiang-xue
Compass-service
Her-on-school
Hunan-national-professional-college-primary-school
Center-hall
Hunan-channel
King-korea
Hunan-province-chile
Technology-limited
Hengyang-county