物联网与公共安全-畅读网

　　　　

物联网与公共安全

作者：吴曼青

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内容简介:

公共安全形势总体严峻，是目前国家、企业、群众等普遍关注的热点。《物联网与公共安全》从物联网与公共安全融合的角度，系统描述了物联网理念和产业兴起的历史渊源、物联网与公共安全的内涵与存在问题，分析了公共安全物联网的支撑技术，以社会安全、生产安全、食品安全、防灾减灾等领域为切入点，深入剖析了物联网在公共安全领域的应用。《物联网与公共安全》注重推进物联网在公共安全领域中的独特应用，最后对未来物联网在公共安全领域发展的一些观点做了归纳和展望。

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SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 3 LIMIT 1 [ RunTime:0.001276s ]
SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 35 LIMIT 1 [ RunTime:0.001740s ]
SELECT `a`.*,`ap`.`width`,`ap`.`height` FROM `ls_ad` `a` INNER JOIN `ls_ad_position` `ap` ON `a`.`pid`=`ap`.`id` WHERE `pid` = 11 AND `ap`.`client` = '2' AND `a`.`status` = '1' AND `a`.`del` = '0' AND `ap`.`status` = '1' AND `ap`.`del` = '0' ORDER BY `sort` DESC,`id` DESC [ RunTime:0.001783s ]
SELECT `a`.*,`ap`.`width`,`ap`.`height` FROM `ls_ad` `a` INNER JOIN `ls_ad_position` `ap` ON `a`.`pid`=`ap`.`id` WHERE `pid` = 14 AND `ap`.`client` = '2' AND `a`.`status` = '1' AND `a`.`del` = '0' AND `ap`.`status` = '1' AND `ap`.`del` = '0' ORDER BY `sort` DESC,`id` DESC [ RunTime:0.001263s ]
SELECT * FROM `ls_goods` WHERE `del` = 0 AND `status` = 1 AND `create_time` <= 1751033587 ORDER BY `create_time` DESC LIMIT 5 [ RunTime:0.470589s ]

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