I was killing my time at home until June 2012 when I discovered the online computer courses of your training center.
直到2012年6月，我才发现你们培训中心的在线计算机课程，在此之前，我一直在家打发时间。
I've finished my computer course in the training center.
我已经上完了我在培训中心的英语课。
So, I was killing my time at home until June 2012 when I discovered the online computer courses of your training center.
因此，我呆在家里打发时间，直到2012年六月，我发现了你的培训中心的网上计算机课程。
The system is made up of computer simulation and instrument simulation, it can complete simulation operating training of center control room in cement factory.
该系统由计算机模拟和仪表模拟两个系统组成，能完成水泥厂中央控制室的模拟操作训练。
The portable anti-aircraft missile field training system consists of center control computer, signal commutator, collimated training missile and anti-air commanding lens.
便携式地空导弹野外训练系统模型由中央控制计算机、信号转接器、瞄准训练弹和对空指挥镜组成。
The portable anti-aircraft missile field training system consists of center control computer, signal commutator, collimated training missile and anti-air commanding lens.
便携式地空导弹野外训练系统模型由中央控制计算机、信号转接器、瞄准训练弹和对空指挥镜组成。
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