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掌上电脑携带起来非常方便,但它的屏幕太小,尺寸较大的图片或表格等浏览起来不方便。英国科学家尝试将汽车安全系统用的一种微型传
Pocket PC is very convenient to carry, but it’s screen is too small, large size pictures or tables and other browse inconvenient. British scientists try to use a miniature car safety system