Returns a new string in which a specified number of characters from the current string are deleted.

将指定字元数从起始于指定位置的这个执行个体中删除。

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The file opens, the program writes the current string first, and then writes the remaining (up to 100) lines to the file.

文件打开，程序首先将当前的字符串写入文件中，然后再将剩余的行(最多100行)写入文件中。

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Returns a new string of a specified length in which the end of the current string is padded with Spaces or with a specified Unicode character.

返回一个新字符串，该字符串通过在此字符串中的字符右侧填充空格来达到指定的总长度，从而使这些字符左对齐。

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The M.mycoides genome contains over a million letters of genetic code and current DNA-technology can string-together perhaps a few thousand units in one go.

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Fox tackles the origins of the current thinking on the beginning of the universe starting way, way back with Plato, and moving her way through Ptolemy, the astronomical duo of Tycho Brahe and Johannes Kepler (did you know that Brahe had his own castle for studying astronomy?), Galileo, Newton, Einstein, and the current state of the Big Bang, String Theory, and alternative theories for the origins of the universe.

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Yet within current limits it's hard to know how long the string will stretch.

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