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。
Computer applications including scientific computing, data processing and information management, automatic control, computer-aided design manufacturing and testing, the system simulation.
计算机应用领域包括科学计算、数据处理和信息管理、自动控制、辅助设计制造和测试、系统仿真。
In addition, Ming Yang's self-manufacturing and testing facilities to produce gearbox, generator and pitch control system are progressing as planned.
此外，明阳的自主制造和生产齿轮箱，发电机，变桨距控制系统的检测设施，是按计划进行的。
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