progress bar

基本解释

Consider the thread defined in Listing 10, which updates the label, progress bar and the slider in Figure 4.
考虑一下清单 10 中定义的线程，该线程将更新图 4 中的标签、进度条和滑块。
If the progress bar is visible, it means that the project build is in progress and you must wait for it to finish.
如果进度条可见的话，那么这就意味着项目构建正在进行当中，而您必须等到它完成为止。
While a thread is running, either uploading or downloading, you can query it to check on its status to provide the user with feedback (eg. a progress bar).
当一个线程在运行的时候，不管是上传还是下载，你可以查询进程状态并且给用户一个反馈（例如一个进度条）。

A progress bar is not supposed to print one hundred lines just to update its status; generally we like to see a little animation.
一个进度条不应该是打印100行,只是更新它的状态，一般地，我们,想看到一点生机。
哈佛公开课 - 计算机科学课程节选
It's going to be my sort of simple implementation of a progress bar.
它将是一种我的,简单的执行进度条。
哈佛公开课 - 计算机科学课程节选
PROFESSOR: So, does anyone have any questions about the set up here, does it make sense what we're looking for the bar to go back once we make some progress.
教授：所以，有人对这套装置,有疑问吗，一旦我们,取得了一些进展,我们看到这个棒又返回来。
麻省理工公开课 - 化学原理课程节选

You'll also notice a small dotted progress bar for a quick measure of how far you've read.
ENGADGET: Amazon Kindle Paperwhite review