The friend is media, also have certain knowledge to the network.
朋友是媒体的，对网络也有一定的知识。
Have certain knowledge of parenting and advanced education concept.
有一定的育儿知识和先进的教育理念。
Familiar withe-commerce overview, have certain knowledge of foreign trade and exhibition.
熟悉电子商务概况，对外贸和展会有一定的了解。
There is little knowledge about the effects certain medicines can have on children.
对于某些药物在儿童中产生的效果还知之甚少。
I have also taught myself computer, and gained quite certain knowledge in it.
并且我自己学习了电脑，并已掌握了许多这方面的知识。
Characteristics that explain the text is a "say", and have the certain knowledge.
说明文的特点是“说”，而且具有一定的知识性。
I have certain electrical building professional knowledge, be familiar with building automation, building elv.
我有一定的建筑电气专业知识，熟悉楼宇自动化、建筑弱电。
I have certain understanding to handle the knowledge of the respect to the signal again!
再次我对信号处理方面的知识有了一定的认识！
Familiar with related operation system, hardware technology, database system, have certain network related knowledge;
熟悉相关操作系统、硬件技术、数据库系统，具备一定的网络相关知识；
Familiar with related operation system, hardware technology, database system, have certain network related knowledge;
熟悉相关操作系统、硬件技术、数据库系统，具备一定的网络相关知识；
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