Urban contacts are becoming close and presenting the characteristic of network along with the improvement of the techniques, traffic and communication.

随着科技水平的提高，交通、通讯条件的改善，城市联系愈来愈密切，并呈现出网络化的特征。

youdao

Advanced decryption and decoding techniques to recover deleted mobile data from SQLite databases such as messages, images, videos, calls history, contacts and much more.

恢复已删除的移动数据从SQLite数据库，如信息，图片，视频，呼叫历史记录，联系人和更先进的解密和解码技术。

youdao

Law enforcement has also become more sophisticated in dealing with child-abuse cases, including refining techniques for interviewing children and using social media to determine whether suspects have established contacts with alleged abuse victims, said Scott Burns, executive director of the National District Attorneys Association.

WSJ: Penn State Case Underscores How Society Deals With Sexual Assault