将垂直搜索技术和主题信息服务应用到城市管理科学决策中，会有效提高效率和准确度。
Applying the vertical search technology and topic information service to scientific decision-making in urban management will effectively improve the efficiency and accuracy.
直流传动控制模块在焊管机组拖动中，具有提高效率和准确度以及降低差错率等作用，介绍了使用该控制模块的有关问题。
DC drive control module can function as increasing efficiency and accuracy and reducing error rates in tube-welding drive system. Details of the module are described.
直流传动控制模块在焊管机组拖动中，具有提高效率和准确度以及降低差错率等作用，介绍了使用该控制模块的有关问题。
DC drive control module can function as increasing efficiency and accuracy and reducing error rates in tube-welding drive system. Details of the module are described.
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