Has been unauthentic or has not had the permit maintenance actually the excellent in quality maintenance has not been possible to mix the use the worry .

了 来路 不明，或未有许可证的保养 品，其实品质优良的保养 品，并没有不可混合使用的顾虑。

The aim of intrusion tolerance database is to utilize unauthentic DBMS to structure the believable database application system .

入侵容忍数据库研究的目标是利用 不 可信的数据库管理系统构建可信的数据库应用系统。

If an enterprise resorts to deception or files a unauthentic application the Customs shall not accept its application for A-class administration within two years .

企业申请时有 弄虚作假或 所呈 不 实 者，海关两年内不受理对其实施A类管理的申请。

Firewall is a barrier at the network border to prevent network attacks and is the only link to unauthentic network .

防火墙是位于网络边界防范网络攻击的屏障，是与 不 可信网络进行 联络的唯一纽带。

High-quality data is the basic of getting meaningful results from data analysis tools such as data mining and OLAP . The decision support system constructed on the base of low-quality data is unauthentic .

高质量的数据是各种数据分析工具（数据挖掘、OLAP等 ）得到有价值和有意义结果的首要 条件，建立在劣质数据基础之上的决策支持系统是 不 可信的。

In high schools on the one hand many listening materials are chosen from written prose and recorded at an artificial speed which are unauthentic and deny the characteristics of spoken language .

目前所采用的听力材料大部分来自书面文章，而且在录制时被人为地减速， 缺乏口语的特点和 对话 的 真实性。