Most expensive computer: 18, 000 yuan.
最昂贵电脑：1万8000元。
But most of these methods is expensive to testing equipment and complex sensing control system and computer processing system, some methods to also have certain difficulties.
但这些方法大都需要昂贵的检测设备和复杂的传感控制系统和计算机处理系统，有些方法研究起来也有一定的困难。
Most examinations in computer practice courses are in the way of using computers in the computer lab. This way is complicated and expensive in the process of the organization of the examinations.
计算机类实践课多采用上机考试方式，这种考试方式的组织过程复杂，考试组织成本高。
Most examinations in computer practice courses are in the way of using computers in the computer lab. This way is complicated and expensive in the process of the organization of the examinations.
计算机类实践课多采用上机考试方式，这种考试方式的组织过程复杂，考试组织成本高。
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