It reads data from standard input line by line.
它从标准输入逐行读取数据。
There should be one output line for each input line.
每行输入对应一行输出。
If things go wrong, we simply read the next input line.
如果出错，那我们可以简单地阅读下一个输入行。
This will bring the cursor to the input line at the bottom of the screen.
这将使光标到输入线，在屏幕下方。
Normally, awk executes each block of your script's code once for each input line.
通常，awk会针对每个输入行执行一次每个代码块。
The first line of defense in a secure program is to check every untrusted input.
安全的程序中第一道防线是检查每一个不可信的输入。
The last line is the prompt that is waiting for your input.
最后一行是等待你输入的提示符。
Otherwise it will switch to the interactive command line mode to gather input.
否则，它会切换到交互式命令行模式。
This is accomplished by providing data on the command line or through standard input.
这是通过向命令行提供数据或是通过标准输入实现的。
Each call to the function should return one line of input as a string.
该函数的每次调用都应该返回输出的其中一行作为字符串。
The first line of the input contains the single number n.
输入的第一行包含一个数字n。
The first line of the input file will contain the number of maps, T.
输入文件的第一行将包括地图的数量，T。
Use it to write a program that reverses its input a line at a time.
使用该函数编写一个程序，每次颠倒一个输入行中的字符顺序。
The first line of the input file will contain the number of maps, T .
输入文件的第一行将包含地图的数量，T。
Each line of input will result in exactly one line of output.
对于每一行输入，恰好用一行输出。
From the center there is one line leading to the input of IGBT-based switch.
一个导线从中心引导到基于IGBT的开关的输入端。
The first line of the input is the number of test cases.
在输入的第一行是测试的个案。
To quote a line from a movie, it at least has the "input of intelligence".
引用一部电影里的名句，至少它带有”智慧内涵“。
Input Each line is a test case that an action sequence.
Input每行是一个测试用例，表示一个操作序列。
Input Each line is a test case that an action sequence.
Input每行是一个测试用例，表示一个操作序列。
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