PHP's file() function does this in one step: It returns an array of strings broken up by lines.

PHP 的 file() 函数一步即可完成此操作：它将返回分为若干行的字符串数组。

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Adopting PLC special function block technology, it is easy to realize to adjust up step or down step of electronic beam current.

利用PLC的特殊功能模块技术，较好地实现了电子束流的上升梯度和下降梯度的方便调节。

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The ftp_cdup() function changes the current directory to the parent directory (one step up).

函数的作用是：切换到当前目录的父目录（上一步）。

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Molecular profiling is throwing up new genes and understanding their function is the next step.

BBC: Gene fingerprint could spot cancer