根据调度通信网络各组成系统的安全级别将其分为实时、准实时和非实时系统。

The dispatch communication network is divided into real-time, quasi-real-time and non-real-time systems according to security classes.

youdao

另一个例子就是带有挑战性的非功能要求的嵌入式实时系统，它们不能承受任何XML处理开销。

Another example is embedded, real-time systems with challenging, non-functional requirements, which cannot afford any XML processing overhead.

youdao

视频系统在远程教育实时教学和非实时教学中发挥着重要作用。

Video system plays an important role in real time and non real time education in distance education.

youdao