Timeliness is also possible, since digital readers require users to log in to a central system periodically.
在时间上也是可行的，因为电子书的读者需要定期登陆到核心系统里。
2
And gadgets such as a bathroom scale made by Withings, a French company, can transmit a person’s weight to a digital health-log on a computer or smartphone.
法国Withings公司制造的浴室体重秤能把人的体重上传到电脑和智能手机的数字健康记录上。
3
The facets of customer verification, access control, authority management, log audit, data encryption, digital signature are researched and implemented to some extent.