It is proved by examination that the economical and practical equipment and technics are suitable for the long distance transmission pipeline, and it has good foreground of spreading and appling.
试验证实，这是一种与长输管道自动焊配套的经济实用型成套设备，具有较好的推广应用前景。
The function and the performance of existing on-line examination systems haven't satisfied the need of large-scale application, especially in safe transmission of network.
现有网上考试系统在功能上还不够完备，其性能和适用范围都难以适应大规模应用的需要，尤其是在网络安全方面缺乏保障。
Objective to investigate the awareness rate of Shenzhen's physical examination people on AIDS-related knowledge and transmission route, and to evaluate the effectiveness of health education.
目的了解深圳市健康体检人群对艾滋病相关知识和传播途径的认识，并对健康教育效果进行评价。
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