如数，读音 rú shù，汉语词语，指按原来的或规定的数目。
其它的新技术产品也发展良好，如数码照相机和宽屏数字电视机。
Other new technology products are also doing well, such as digital cameras and wide screen digital televisions.
过去，我认为我很多学科都很糟糕，比如数学、法语和科学。
In the past, I thought I was terrible at many things, such as math, French and science.
在教科书中，图形作为学科语言的一部分使用，如数学或经济学中，或作为学习辅助工具使用。
Graphics are used in textbooks as part of the language of the discipline, as in math or economics, or as study aids.
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