Notice: wpdb::prepare was called incorrectly. The query does not contain the correct number of placeholders (1) for the number of arguments passed (2). Please see Debugging in WordPress for more information. (This message was added in version 4.8.3.) in /home/clients/29ac0a41d75676ae892e797b3ed6b38f/web/wordpress/wp-includes/functions.php on line 3668

Notice: wpdb::prepare was called incorrectly. The query does not contain the correct number of placeholders (1) for the number of arguments passed (2). Please see Debugging in WordPress for more information. (This message was added in version 4.8.3.) in /home/clients/29ac0a41d75676ae892e797b3ed6b38f/web/wordpress/wp-includes/functions.php on line 3668

Notice: wpdb::prepare was called incorrectly. The query does not contain the correct number of placeholders (1) for the number of arguments passed (2). Please see Debugging in WordPress for more information. (This message was added in version 4.8.3.) in /home/clients/29ac0a41d75676ae892e797b3ed6b38f/web/wordpress/wp-includes/functions.php on line 3668

Notice: wpdb::prepare was called incorrectly. The query does not contain the correct number of placeholders (2) for the number of arguments passed (3). Please see Debugging in WordPress for more information. (This message was added in version 4.8.3.) in /home/clients/29ac0a41d75676ae892e797b3ed6b38f/web/wordpress/wp-includes/functions.php on line 3668

Notice: wpdb::prepare was called incorrectly. The query does not contain the correct number of placeholders (1) for the number of arguments passed (2). Please see Debugging in WordPress for more information. (This message was added in version 4.8.3.) in /home/clients/29ac0a41d75676ae892e797b3ed6b38f/web/wordpress/wp-includes/functions.php on line 3668
2016年6月7-9日| Optatec交易会 – 德国,法兰克福 - Scientific Visual

13届Optatec – 国际光学技术、部件和系统贸易博览会。位于法兰克福展览中心的Optatec是关于光学技术、元件和系统的国际交易盛会,为光学产业提供了世界领先的信息、交流和商业平台。 两年一次的Optatec独一无二地专注于行业的创新潜力。与致力高科技企业的SPECTARIS协会、Optence和OptecNet 等科技机构携手,Optatec打造了一个先进技术的国际展示平台。来自欧洲和世界各地的约570家参展商将展示工业光学领域的未来的技术,并利用Optatec的契机,展示他们的创新和产品。. http://www.optatec-messe.de/en/optatec/