These benefits only accrue under one important assumption: that users can tell the difference between visited and unvisited links because the site shows them in different colors.
而要做到以上这些，只有在一种情况下：将已访问和未访问的链接设定为不同的颜色，从而使用户能够分辨出二者的区别。
Victims were snared when they visited websites seeded with booby-trapped adverts and links.
当受害者访问被植入病毒的广告和链接的网站时，就会跳进陷阱。
But Britain has links with Cosmonaut Gagarin, as one of the first countries he visited after his return to Earth.
加加林返回地球后第一个访问的国家是英国，英国与加加林的渊源便起于此。
Unfortunately, the site doesn’t display which links have already been visited (Update: Kyle Meyer has added :visited-state now).
遗憾地是，该网站没有显示哪些链接已经访问过了。
Links (include hover, visited, and active styles)?
链接(包括“悬停”、“访问过”和“有效”几种类型)？
No matter where we put the links to your most visited sites (and their latest news), it always seemed to be a distraction, based upon our own perception and the feedback from thousands of testers.
不管你把访问最多的链接放到哪，它似乎都会分散你的注意力。
Refer them to their previous location and guide them to their next one, and remind them of where they've been by programming links to change color after being visited.
告诉他们先前所在的位置然后把他们领到下一个地方，设计访问后会改变颜色的链接来提醒他们曾去过哪儿。
Remind users where they've been by programming links to change color after being visited.
可以通过编程来实现浏览过的链接使之改变颜色，以提醒用户已经访问过哪些地方。
Specifies how the link looks if the page it links to has already been visited.
设定当连接过去的网页已经看过时，该连接的样式。
In this article we use the heuristic search to get the specific information. This can reduce the links largely and make the links visited by WebCrawler point to useful information.
在本文中，提出使用人工智能中的启发式搜索来获取特定的信息，这样可以极大地减少遍历的链接数量，使被访问到的链接尽量地指向有用的信息。
Keep the user oriented: Display the previous location and guide users to their next one. Remind users where they've been by programming links to change color after being visited.
保证使用者被引导：显示他们现在所在位置并引导他们到下一位置，访问过的地方要改变连接颜色。
Remind users where they'vebeen by programming links to change color after being visited.
通过编程实现的在浏览后改变颜色的链接提醒用户已经访问过哪些地方。
The links will turn gray once you have visited them.
该链接将打开灰色一旦您访问过他们。
Gets or sets the Color of links to HTML pages that the user has already visited.
取得或设定使用者已经浏览过的HTML网页连结的色彩。
Gets or sets the Color of links to HTML pages that the user has already visited.
取得或设定使用者已经浏览过的HTML网页连结的色彩。
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