In random visits to 200 primary schools in India, investigators found no teaching activity in half of them at the time of visit.
调查人员在印度对200所学校进行随机访问时发现,有半数的学校在访问时没有教学活动。
Overall, 8% of individuals attended no follow-up visits, and 54% of them were lost to follow-up.
总的来看,8%的个人没有接受追踪访问,54%的人为追踪损失个人。
It has no effect on the number of HTTP requests when a user visits your site for the first time and the browser's cache is empty.
当用户首次访问您的网站,并是空的浏览器的缓存不会有HTTP请求的数目没有影响。
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