这一方面在于其劳动密集的生产特点，另一方面也源于其技术创新的落后。
This in its labor-intensive production features, on the other hand, it stems from its technological innovation behind.
本课题来源于西安市重大技术创新工程计划—复合励磁同步发电机研究。
The project originating from technological innovation plan in Xi 'an is to research a hybrid excitation synchronous generator.
技术不确定性根源于人的主观因素，它具体表现在技术发明、技术创新、技术应用、技术生产过程以及技术趋势中；
Technological uncertainty roots in subjective factor of man, which exists in invention, innovation, using, production, and trend of technology.
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