在过去十几年里，MIS在企业完善管理、提高工作效率等方面发挥了重要作用。
In the past ten years. management information system (MIS) makes great contribution to improving the level of management and the efficiency of work of enterprises.
在过去十几年里，为了增加拖曳线列阵系统的空间增益、提高方位分辨率，各种合成孔径技术应运而生。
Various synthetic aperture techniques have been investigated during the past decades to increase array spatial gain and improve bearing resolution for towed line array system.
真是遗憾啊！ 因为这是在过去的十几年里出现的对该主题价值最为珍贵描述最为详尽的书了。
This is a pity since this is one of the most valuable and detailed accounts of its subject to appe ar in the past decade.
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