采用柯拉照明系统，带视场光阑、孔径光阑和斜照明装置;预设起偏镜、检偏镜与滤色片插槽。单颗5W LED 暖白光照明(3000-3300K)，与同类LED照明相比，能最大程度降低观察者的视觉疲劳。视场光阑与孔径光阑采用拉杆装置，中心可调，能灵活调节照明范围的大小，有效避免杂光对图像的影响。起偏镜与检偏镜可实现简易偏光观察，您也可根据需求，选择不同颜色的滤色片获得理想的观察效果。
[8]Trying to access array offset on value of type null[/websites/wwwroot/www.china-mcc.com/runtime/temp/97c4d8464ed2048f1cfda49dbe787a3f.php:266]
[8]Trying to access array offset on value of type null[/websites/wwwroot/www.china-mcc.com/runtime/temp/97c4d8464ed2048f1cfda49dbe787a3f.php:270]
[8]Trying to access array offset on value of type null[/websites/wwwroot/www.china-mcc.com/runtime/temp/97c4d8464ed2048f1cfda49dbe787a3f.php:289]
[8]Array to string conversion[/websites/wwwroot/www.china-mcc.com/thinkphp/library/think/Url.php:128]
[8]Array to string conversion[/websites/wwwroot/www.china-mcc.com/thinkphp/library/think/Url.php:147]
[8]Array to string conversion[/websites/wwwroot/www.china-mcc.com/thinkphp/library/think/Url.php:147]
[8]Array to string conversion[/websites/wwwroot/www.china-mcc.com/thinkphp/library/think/Url.php:128]
[8]Array to string conversion[/websites/wwwroot/www.china-mcc.com/thinkphp/library/think/Url.php:147]
[8]Array to string conversion[/websites/wwwroot/www.china-mcc.com/thinkphp/library/think/Url.php:147]
[ DB ] CONNECT:[ UseTime:0.001507s ] mysql:host=pc-m5epcw1px949b110u.rwlb.rds.aliyuncs.com;port=3306;dbname=yousedb;charset=utf8
[ SQL ] SHOW COLUMNS FROM `tb_para` [ RunTime:0.002065s ]
[ SQL ] SELECT * FROM `tb_para` WHERE `id` = 1 LIMIT 1 [ RunTime:0.001385s ]
[ SQL ] SHOW COLUMNS FROM `tb_prod` [ RunTime:0.001625s ]
[ SQL ] UPDATE `tb_prod` SET `hit`=`hit`+1 WHERE `id` = 141357 [ RunTime:0.001247s ]
[ SQL ] SELECT * FROM `tb_prod` WHERE `id` = 141357 LIMIT 1 [ RunTime:0.001117s ]
[ SQL ] SHOW COLUMNS FROM `tb_category` [ RunTime:0.001272s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `id` = 123 LIMIT 1 [ RunTime:0.001104s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `id` = 25 LIMIT 1 [ RunTime:0.000996s ]
[ SQL ] SHOW COLUMNS FROM `tb_area` [ RunTime:0.001184s ]
[ SQL ] SELECT * FROM `tb_area` WHERE `id` = 154 LIMIT 1 [ RunTime:0.003714s ]
[ SQL ] SELECT * FROM `tb_area` WHERE `id` = 15 LIMIT 1 [ RunTime:0.000941s ]
[ SQL ] SHOW COLUMNS FROM `tb_anchor` [ RunTime:0.001422s ]
[ SQL ] SELECT * FROM `tb_anchor` ORDER BY `id` ASC [ RunTime:0.004312s ]
[ SQL ] SELECT `id`,`title` FROM `tb_prod` WHERE `id` > 141357 AND `check_status` = 1 AND `category_id` = 123 ORDER BY `submit_date` ASC LIMIT 1 [ RunTime:0.012453s ]
[ SQL ] SELECT `id`,`title` FROM `tb_prod` WHERE `id` < 141357 AND `check_status` = 1 AND `category_id` = 123 ORDER BY `submit_date` DESC LIMIT 1 [ RunTime:0.016702s ]
[ SQL ] select id,title,city_id from tb_need where check_status=1 and ( title like '%大型三目正置金相显微镜%' or tag like '%大型三目正置金相显微镜%' or intro like '%大型三目正置金相显微镜%' or title like '%金相显微镜%' or tag like '%金相显微镜%' or intro like '%金相显微镜%' ) order by submit_date desc limit 10 [ RunTime:0.009405s ]
[ SQL ] select id,title from tb_news where check_status=1 and category_id=45 and ( title like '%大型三目正置金相显微镜%' or tag like '%大型三目正置金相显微镜%' or intro like '%大型三目正置金相显微镜%' or title like '%金相显微镜%' or tag like '%金相显微镜%' or intro like '%金相显微镜%' ) order by submit_date desc limit 10 [ RunTime:0.045545s ]
[ SQL ] SHOW COLUMNS FROM `tb_mcc` [ RunTime:0.001233s ]
[ SQL ] SELECT * FROM `tb_mcc` WHERE `classify` = 1 [ RunTime:0.000959s ]
[ SQL ] SELECT * FROM `tb_mcc` WHERE `classify` = 2 [ RunTime:0.000919s ]
[ SQL ] SHOW COLUMNS FROM `tb_collect` [ RunTime:0.001193s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `tb_collect` WHERE `table_name` = 'prod' AND `table_id` = 150977 LIMIT 1 [ RunTime:0.001244s ]
[ SQL ] SHOW COLUMNS FROM `tb_comment` [ RunTime:0.001397s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `tb_comment` WHERE `table_name` = 'prod' AND `table_id` = 150977 AND `parent_id` = 0 LIMIT 1 [ RunTime:0.000990s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `tb_collect` WHERE `table_name` = 'prod' AND `table_id` = 150871 LIMIT 1 [ RunTime:0.001090s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `tb_comment` WHERE `table_name` = 'prod' AND `table_id` = 150871 AND `parent_id` = 0 LIMIT 1 [ RunTime:0.000899s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `tb_collect` WHERE `table_name` = 'prod' AND `table_id` = 150976 LIMIT 1 [ RunTime:0.018201s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `tb_comment` WHERE `table_name` = 'prod' AND `table_id` = 150976 AND `parent_id` = 0 LIMIT 1 [ RunTime:0.001026s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `tb_collect` WHERE `table_name` = 'prod' AND `table_id` = 150975 LIMIT 1 [ RunTime:0.001136s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `tb_comment` WHERE `table_name` = 'prod' AND `table_id` = 150975 AND `parent_id` = 0 LIMIT 1 [ RunTime:0.000931s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `tb_collect` WHERE `table_name` = 'prod' AND `table_id` = 150974 LIMIT 1 [ RunTime:0.001345s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `tb_comment` WHERE `table_name` = 'prod' AND `table_id` = 150974 AND `parent_id` = 0 LIMIT 1 [ RunTime:0.000998s ]
[ SQL ] SHOW COLUMNS FROM `tb_user_company` [ RunTime:0.014173s ]
[ SQL ] SELECT * FROM `tb_user_company` WHERE `check_status` = 1 ORDER BY `islist` DESC,`list_date` DESC LIMIT 0,10 [ RunTime:0.002153s ]
[ SQL ] SELECT * FROM `tb_comment` WHERE `table_name` = 'prod' AND `table_id` = 141357 AND `parent_id` = 0 AND `isdelete` = 0 ORDER BY `add_date` DESC [ RunTime:0.001038s ]
[ SQL ] SELECT * FROM `tb_user_company` WHERE `user_id` = 21 LIMIT 1 [ RunTime:0.001038s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 36 ORDER BY `sortid` ASC [ RunTime:0.001066s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 37 ORDER BY `sortid` ASC [ RunTime:0.003712s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 38 ORDER BY `sortid` ASC [ RunTime:0.001095s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 39 ORDER BY `sortid` ASC [ RunTime:0.001003s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 40 ORDER BY `sortid` ASC [ RunTime:0.014302s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 41 ORDER BY `sortid` ASC [ RunTime:0.001075s ]
[ SQL ] SHOW COLUMNS FROM `tb_advert` [ RunTime:0.001200s ]
[ SQL ] SELECT * FROM `tb_advert` WHERE `id` = 45 LIMIT 1 [ RunTime:0.000929s ]
[ SQL ] SELECT * FROM `tb_advert` WHERE `id` = 46 LIMIT 1 [ RunTime:0.000967s ]
[ SQL ] SELECT * FROM `tb_advert` WHERE `id` = 47 LIMIT 1 [ RunTime:0.000933s ]
[ SQL ] SELECT * FROM `tb_advert` WHERE `id` = 48 LIMIT 1 [ RunTime:0.000990s ]
432 
咨询底价
贵州 - 贵阳
2026年08月06日 ~ 08日
