using_the_number_line_有道手机词典

1.In solving rational inequalities, using the number line yields a higher correctness rate than using algebraic manipulations.
解答分式不等式，选用数轴标根法比代数方法有更高的正确率。
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2.While most of the students use algebraic manipulations, some adopted the method of using the number line, and still some few solve by sketching the graphs.
解答二次不等式，选用代数方法比数轴标根法有更高的正确率；
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3.We can also replace the text in the buffer at a given line number or remove the first occurrence of a string in the current line, using this utility.
我们还可以使用该命令替换给定行号的缓冲区中的文本，或者删除当前行中第一个出现的字符串。
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