echo 命令要求一个或多个字符串,因此此行代码将生成一个错误,指出第二个字符串缺少一个右引号(Vim 是这样认为的)。
The echo command expects one or more strings, so this line produces an error complaining about the missing closing quote on (what Vim assumes to be) the second string.
Gnuplot允许您指定字符串,用于表示缺少的数据点。
Gnuplot lets you specify a character string to mean a missing data point. For example.
echo 后面的字符串的末尾缺少一个双引号(")。
A double quotation mark (") is missing at the end of the string being echo-ed.
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