China's Huawei touts chip design breakthrough in bid to defy U.S. sanctions
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Chinese
tech giant Huawei said Monday that it had achieved a breakthrough that would
allow it to make cutting-edge chips within five years, ... |
孩子玩手机，家长怎么管
孩子 玩手机，家长怎么管 - 如今，手机已经成为生活必需品。 青少年手机上瘾也越来越成为很多家长的一块心病。近日，美国“ 生活黑客网”刊文，对三个年龄段 孩子 手机成瘾问题给出 ...