The editing functionality means that you can go forward and backward through the command line currently displayed to make changes and correct typos.
编辑功能意味着您可以在当前显示的命令行中向前和向后移动，以做出更改或纠正输入错误。
Check whether the process needs to go on; the user might have decided to page forward or backward, and it wouldn't do for the former page data to show up.
检查是否需要继续处理；用户可能决定向前或向后翻页，对于前面的页面数据不再处理。
Using buttons, you can move forward or backward in time, to go back to any date and time in the past and return to the current time.
通过按钮能够在时间上前移或后移，能够回到过去的任意时间点，并且能够回到当前的时间点。
To figure out why they could go forward but not backward, Dr. Thornton and his colleagues looked closely again at the old and new receptors.
为了找出蛋白功能不能逆转的原因，桑顿博士和同事们又仔细的对比了新老两种受体。
Behold, I go forward, but he is not there; and backward, but I cannot perceive him.
只是，我往前行，他不在那里，往后退，也不能见他。
The upshot is that if the rider leans forward he travels forward, whereas if he leans backward the machine will stop and then go into reverse.
结果就是如果驾驶者向前倾斜身体它就向前行驶，可是如果他向后倾斜机器就会停止然后向相反方向行进。
The go method, defined in Listing 4, will allow us to move backward and forward in the stack.
清单4中定义的go方法允许我们在堆栈中来回移动。
The problem arose because astronomers had noticed that some planets in the sky seemed to stop, move backward and then go forward in a loop.
这个问题也就产生了，因为天文学家已经发现有些行星在天空似乎停止，向后移动，然后在一个循环。
Every time a new technology arrives, we go a couple of steps forward and a couple of steps backward.
每当一种新技术出现，我们总会经历一些前进和后退的反复。
The problem arose because astronomers had noticed that some planets in the sky seemed to stop, move backward and then go forward in a loop. Others appeared brighter at times and less bright at others.
这样，问题就来了，因为天文学家以前发现过，天上有些行星停顿下来，往后移动，然后再成环状向前移动，而其他行星看上去有时亮些，有时又不怎么亮。
The problem arose because astronomers had noticed that some planets in the sky seemed to stop, move backward and go forward in a loop.
这样，问题就来了，因为天文学家以前发现过，天上有些行星停顿下来，往后移动，然后再成环状向前移动。
The problem arose because astronomers had noticed that some planets in the sky seemed to stop, move backward and go forward in a loop.
这样，问题就来了，因为天文学家以前发现过，天上有些行星停顿下来，往后移动，然后再成环状向前移动。
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