... 采用摆式摩擦系数测定仪测定的无障碍设施面层表面的抗滑能力的表征值。用Fß表示，单位为BPN。 2.0.5 盲文标志braille sign 2.0.6 盲文铭牌braille board ...
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Braille and Sign languages 盲文和符号语言 ; 年的主题是盲文和符号语言
One important use of fingers (and thumbs) is to communicate—through sign language, handwriting, Braille, typing, gesture and now txt mssgng.
十指的重要用途就是通过手语、书法、盲文、打字、手势和时下的短信等方式来交流。
Under the guidance of her hard work, Helen touch to learn sign language, touch the braille card learned to read, then with the hand to touch other people's lips, finally learn to speak.
在她辛苦的指导下，海伦用手触摸学会手语，摸点字卡学会了读书，后来用手摸别人的嘴唇，终于学会说话了。
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