中美科技竞争力评估报告.2019-畅读网

　　　　

中美科技竞争力评估报告.2019

作者：华东师范大学全球创新与发展研究院

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中美两国的科技竞争力及科技产业发展的差距有多大？本书将用详实、权威的统计数据来回答这一问题。首先从科技竞争力的内涵出发，选择科技人力投入、科技经费投入、论文产出和专利产出等指标构建评价体系，从整体及多个单项指标上比较中美两国的科技竞争力发展水平。在此基础上，比较分析中美两国装备制造业、信息通讯产业及技术贸易的发展情况。

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SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 3 LIMIT 1 [ RunTime:0.001917s ]
SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 35 LIMIT 1 [ RunTime:0.001541s ]
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:0.001799s ]
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:0.002834s ]
SELECT * FROM `ls_goods` WHERE `del` = 0 AND `status` = 1 AND `create_time` <= 1772166817 ORDER BY `create_time` DESC LIMIT 5 [ RunTime:1.190781s ]

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