The system of representing letters and figures by raised dots is called Braille.

用突起的圆点代表字母和数字系统叫盲人点字法。

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Blind children usually are taught to read Braille, a system of raised dots embossed on paper and read by touch.

盲童通常学习阅读盲文，盲文是由在纸上浮突出来的小圆点构成的(文字)系统，用手触摸着读。

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The dots and dashes were raised on the paper so that a person could feel them with his or her fingers.

这些圆孔和凹痕都坐落在纸上，因此，人们可以通过手指来感觉它们。

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The Fed vaguely identified some of the dots, but not one committee member raised the possibility of a housing collapse.

FORBES: And Deliver Us From Systemic Risk: The Fed Transcripts