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优选推荐：传感知识与应用教科书

来源：基恩士（中国）有限公司分类：维修保养 2024-01-09 11:44:23 9阅读次数

工厂生产离不开自动化检测。

如何利用传感器配合设备自动化生产？

传感器有哪些类型？

如何根据工况进行选择？

出现故障的原因和解决办法？

有哪些案例可以参考…

TOP3 安全防护案例合集

必备理由：从安全标准的要求解析加工、清洗、冲压、铸造等各种设备全面的安全防护方式，协助您达到理想防护标准的同时，保障生产效率！

请点击资料了解

TOP2 流量计故障排除方法合集

必备理由：从原理开始了解各类型流量传感器，明确可能发生故障的原因及解决办法！

请点击资料了解

TOP1 传感器教基础教科书

必备理由：全面了解光纤光电、位移、超声波等各类传感器，基础类型全知道、选型工作更轻松！

请点击资料了解

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[8]未定义数组索引: page
[2]Declaration of app\common\model\TechNewsCategory::getList($filter = Array) should be compatible with app\common\model\BaseModel::getList($filter = Array, $sort = Array)
[8]未定义数组下标: 0
[2]Declaration of app\common\model\TechNews::getAllList($filter = Array, $limit = 10, $order = Array, $with = Array) should be compatible with app\common\model\BaseModel::getAllList($filter = Array, $with = Array, $limit = 0, $sort = Array, $field = 'a.*', $join = Array)
[2]Declaration of app\common\model\Company::getAllList($filter = Array, $limit = 20) should be compatible with app\common\model\BaseModel::getAllList($filter = Array, $with = Array, $limit = 0, $sort = Array, $field = 'a.*', $join = Array)
[8]未定义数组索引: center
[8]Only variables should be passed by reference
[2]Declaration of app\common\model\TechNewsComment::getAllList($filter = Array, $limit = 16) should be compatible with app\common\model\BaseModel::getAllList($filter = Array, $with = Array, $limit = 0, $sort = Array, $field = 'a.*', $join = Array)
[8192]Function create_function() is deprecated
[8192]Function create_function() is deprecated
[8]未定义数组索引: area
[8]未定义数组索引: st
[2]Declaration of app\common\model\Topic::getList($filter = Array) should be compatible with app\common\model\BaseModel::getList($filter = Array, $sort = Array)
[2]Declaration of app\common\model\Topic::getAllList($filter = Array, $field = 'id,md5,tit...', $limit = 0) should be compatible with app\common\model\BaseModel::getAllList($filter = Array, $with = Array, $limit = 0, $sort = Array, $field = 'a.*', $join = Array)
[2]Declaration of app\common\model\TopicInfoList::getAllList($filter = Array, $limit = 8) should be compatible with app\common\model\BaseModel::getAllList($filter = Array, $with = Array, $limit = 0, $sort = Array, $field = 'a.*', $join = Array)
[2]Declaration of app\common\model\News::getAllList($filter = Array, $limit = 16, $order = Array, $with = Array) should be compatible with app\common\model\BaseModel::getAllList($filter = Array, $with = Array, $limit = 0, $sort = Array, $field = 'a.*', $join = Array)
[8]未定义数组索引: center
[8]未定义数组索引: cid
[8]未定义数组索引: cid
[8]未定义数组索引: cid
[8]未定义数组索引: cid
[8]未定义数组索引: cid
[8]未定义数组索引: cid
[8]未定义数组索引: cid
[8]未定义数组索引: cid
[8]未定义数组索引: cid
[8]未定义数组索引: goods_list
[8]未定义数组下标: 0
[8]未定义数组索引: center
[8]未定义数组索引: center
[8]未定义数组索引: center
[8]未定义数组索引: center
[8]未定义数组索引: center
[8]未定义数组索引: wtt_list

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[ SQL ] SHOW COLUMNS FROM `tech_news_category` [ RunTime:0.001104s ]
[ SQL ] SELECT `id`,`name` FROM `tech_news_category` WHERE `is_show` = 1 [ RunTime:0.000205s ]
[ SQL ] SELECT * FROM `tech_news_category` WHERE `parent_id` = 0 AND `is_show` = 1 ORDER BY `sort` ASC,`id` DESC [ RunTime:0.000416s ]
[ SQL ] SHOW COLUMNS FROM `company` [ RunTime:0.000984s ]
[ SQL ] SHOW COLUMNS FROM `tech_news` [ RunTime:0.000696s ]
[ SQL ] SELECT * FROM `tech_news` WHERE `md5` = '1f7ceb72372d5907' AND `review_status` = 1 LIMIT 1 [ RunTime:0.000486s ]
[ SQL ] SHOW COLUMNS FROM `user_info` [ RunTime:0.000903s ]
[ SQL ] SELECT * FROM `user_info` WHERE `user_id` = 794 [ RunTime:0.000686s ]
[ SQL ] SELECT * FROM `company` WHERE `id` = 912 [ RunTime:0.000204s ]
[ SQL ] SHOW COLUMNS FROM `tech_news_text` [ RunTime:0.000746s ]
[ SQL ] SELECT * FROM `tech_news_text` WHERE `tech_news_id` = 2081 [ RunTime:0.017432s ]
[ SQL ] SHOW COLUMNS FROM `tech_news_belong_category` [ RunTime:0.000863s ]
[ SQL ] SELECT * FROM `tech_news_belong_category` WHERE `tech_news_id` = 2081 [ RunTime:0.000907s ]
[ SQL ] SELECT * FROM `tech_news_category` WHERE `id` IN (3) [ RunTime:0.000226s ]
[ SQL ] SHOW COLUMNS FROM `user_follow` [ RunTime:0.000715s ]
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[ SQL ] SHOW COLUMNS FROM `tech_news_comment` [ RunTime:0.000702s ]
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[ SQL ] SELECT * FROM `tech_news` WHERE `is_show` = 1 AND `review_status` = 1 AND `id` IN (3280,2081,3278,1901,3702,3700,3699,3695,3684,3683) ORDER BY field(id,3280,2081,3278,1901,3702,3700,3699,3695,3684,3683) [ RunTime:0.000352s ]
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[ SQL ] SHOW COLUMNS FROM `topic` [ RunTime:0.000855s ]
[ SQL ] SELECT `id`,`md5`,`title`,`created_time` FROM `topic` WHERE `review_status` = 1 ORDER BY `id` DESC LIMIT 4 [ RunTime:0.000162s ]
[ SQL ] SHOW COLUMNS FROM `topic_info_list` [ RunTime:0.000712s ]
[ SQL ] SELECT * FROM `topic_info_list` WHERE `topic_id` = 1 ORDER BY `id` DESC LIMIT 2 [ RunTime:0.000156s ]
[ SQL ] SHOW COLUMNS FROM `news` [ RunTime:0.000761s ]
[ SQL ] SELECT * FROM `news` WHERE `id` IN (864,849) [ RunTime:0.000184s ]
[ SQL ] SELECT `id`,`md5`,`title`,`created_time` FROM `tech_news` WHERE `review_status` = 1 AND `is_show` = 1 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000181s ]
[ SQL ] SHOW COLUMNS FROM `user` [ RunTime:0.000706s ]
[ SQL ] SELECT `a`.* FROM `user` `a` INNER JOIN `tech_news` `b` ON `a`.`id`=`b`.`user_id` GROUP BY `a`.`id` ORDER BY `b`.`id` DESC LIMIT 10 [ RunTime:0.004265s ]
[ SQL ] SELECT * FROM `user_info` WHERE `user_id` IN (444,224,13,239,598,697,394,285,190,502) [ RunTime:0.000726s ]
[ SQL ] SHOW COLUMNS FROM `seo` [ RunTime:0.000756s ]
[ SQL ] SELECT * FROM `seo` WHERE `column_type` = '16' AND `page_type` = 'tech_news' AND `info_id` = 2081 LIMIT 1 [ RunTime:0.000265s ]
[ SQL ] SELECT * FROM `tech_news_belong_category` WHERE `tech_news_id` = 3280 [ RunTime:0.000858s ]
[ SQL ] SELECT * FROM `tech_news_belong_category` WHERE `tech_news_id` = 2081 [ RunTime:0.000827s ]
[ SQL ] SELECT * FROM `tech_news_belong_category` WHERE `tech_news_id` = 3278 [ RunTime:0.000832s ]
[ SQL ] SELECT * FROM `tech_news_belong_category` WHERE `tech_news_id` = 1901 [ RunTime:0.000860s ]
[ SQL ] SELECT * FROM `tech_news_belong_category` WHERE `tech_news_id` = 3702 [ RunTime:0.000849s ]
[ SQL ] SELECT * FROM `tech_news_belong_category` WHERE `tech_news_id` = 3700 [ RunTime:0.000812s ]
[ SQL ] SELECT * FROM `tech_news_belong_category` WHERE `tech_news_id` = 3699 [ RunTime:0.000838s ]
[ SQL ] SELECT * FROM `tech_news_belong_category` WHERE `tech_news_id` = 3695 [ RunTime:0.000971s ]
[ SQL ] SELECT * FROM `tech_news_belong_category` WHERE `tech_news_id` = 3684 [ RunTime:0.000806s ]
[ SQL ] SELECT * FROM `tech_news_belong_category` WHERE `tech_news_id` = 3683 [ RunTime:0.000839s ]
[ SQL ] SELECT * FROM `user` WHERE `id` = 794 LIMIT 1 [ RunTime:0.000173s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `user_follow` WHERE `follow_user_id` = 444 LIMIT 1 [ RunTime:0.000201s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `user_follow` WHERE `user_id` = 444 LIMIT 1 [ RunTime:0.000148s ]
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[ SQL ] SELECT COUNT(*) AS tp_count FROM `user_follow` WHERE `user_id` = 224 LIMIT 1 [ RunTime:0.000168s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `user_follow` WHERE `follow_user_id` = 13 LIMIT 1 [ RunTime:0.000153s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `user_follow` WHERE `user_id` = 13 LIMIT 1 [ RunTime:0.000140s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `user_follow` WHERE `follow_user_id` = 239 LIMIT 1 [ RunTime:0.000130s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `user_follow` WHERE `user_id` = 239 LIMIT 1 [ RunTime:0.000121s ]
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[ SQL ] SELECT COUNT(*) AS tp_count FROM `user_follow` WHERE `user_id` = 285 LIMIT 1 [ RunTime:0.000127s ]
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[ SQL ] SELECT COUNT(*) AS tp_count FROM `user_follow` WHERE `user_id` = 502 LIMIT 1 [ RunTime:0.000111s ]

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