适合element ui 的全国城市三级联动json数据，包含编码，{
value: '110000',
label: '北京市',
children: [{
value: '110100',
label: '北京市',
children: [
{ value: '110101', label: '东城区' },
{ value: '110102', label: '西城区' },
{ value: '110105', label: '朝阳区' },
{ value: '110106', label: '丰台区' },
{ value: '110107', label: '石景山区' },
{ value: '110108', label: '海淀区' },
{ value: '110109', label: '门头沟区' },
{ value: '110111', label: '房山区' },
{ value: '110112', label: '通州区' },
{ value: '110113', label: '顺义区' },
{ value: '110114', label: '昌平区' },
{ value: '110115', label: '大兴区' },
{ value: '110116', label: '怀柔区' },
{ value: '110117', label: '平谷区' },
{ value: '110118', label: '密云区' },
{ value: '110119', label: '延庆区' }
]
}]
}
2021-03-05 14:05:14
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In Vehicular Ad Hoc Networks (VANETs), content distribution directly relies on the fleeting and dynamic contacts between moving vehicles, which often leads to prolonged downloading delay and terrible user experience. Deploying Wifi-based Access Points (APs) could relieve this problem, but it often r
2021-02-09 18:05:37
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