同时,数字计算机的处理能力、存储空间和带宽正呈几何级数增长。
Meanwhile, digital computers are increasing exponentially in processing power, memory storage and communications bandwidth.
立体几何是高中数学教学的重要内容,无论是《大纲》还是《标准》中,立体几何的教学重点都是帮助学生逐步形成空间想象能力。
The key to this goal is to help students establish the concept of space and to train and improve their space imagination .
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