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METHOD AND DEVICE FOR PREVENTING CHILD WANDERING OFF
METHOD AND DEVICE FOR PREVENTING CHILD WANDERING OFF
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机译:防止儿童误入歧途的方法和装置
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摘要
Disclosed is a method for preventing a child wandering off. An embodiment comprises the steps of: forming a plurality of groups; forming a first relation by selecting at least two groups among the plurality of groups; and forming a second relation by selecting a plurality of users included in the plurality of groups.
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