电子标签用上了：当向收集垃圾的卡车倾倒垃圾时，需要对垃圾箱称重，还要把身份号码录入计算机。
It USES electronic tags: recycling bins are weighed as they are tipped into collection lorries and their ID Numbers logged by computer.
很多时候，这个问题实际上并非有意如此-品牌名称重复出现在一个接一个页面的title里，或者刚好在一个网站所有页面的描述标签里重复。
Many times this problem is actually created innocently — repeating the brand name on each page as the page title or just reusing one meta description for all pages on a site.
清洁工从这些区域收集垃圾袋，并且把它们打上标签，然后学生称重并登记。
The cleaning staff collected and labelled the rubbish bags from these areas and the student's weighed and recorded their weight.
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