从理论上分析了在线签名鉴定电笔的原理。
The principle of the electrical pen for online signature verification discussed theoretically.
日前，阿富汗一家公司设计出一款"脚踏发电笔记本电脑"，供生活在阿富汗没有通电的边远地区的儿童使用。
A company from Afghanistan has designed laptops powered by pedaling for children in remote areas that have no electricity.
像稍大点的17英寸的MacBookPro, 15英寸的将安置一个新的锂电池，将使电池寿命长达7个小时，是大多数充电笔记本电脑使用时间的3倍。
Like the larger 17-inch MacBook Pro, the 15-inch will also feature a new lithium battery that gets up to seven hours of battery life and three times the recharges of most laptops.
像稍大点的17英寸的MacBookPro, 15英寸的将安置一个新的锂电池，将使电池寿命长达7个小时，是大多数充电笔记本电脑使用时间的3倍。
Like the larger 17-inch MacBook Pro, the 15-inch will also feature a new lithium battery that gets up to seven hours of battery life and three times the recharges of most laptops.
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