That changed in 1997 when Mr Pepy took charge, introducing a dose of modern marketing and a yield-management system from American Airlines to fill seats and take on the low-cost airlines.
这在1997年改变了，Pepy先生掌管之后，他引进了美国航空为了填满座位以及低成本运营的产出管理系统以及许多现代营销。
Using low cost charge coupled device (CCD), a vision sensing equipment in welding process was made, and a real time plasma arc welding (PAW) seam tracking system was implemented.
采用低成本电荷耦合器件制作了焊接过程视觉传感器，实现了一种等离子弧焊焊缝实时跟踪系统。
When low power occurs and system been power off automatically, please charge in time;
电池低电 Low Power 当电量出现低电压时，系统会自动关机，此时请及时充电；
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