present merit

• 控制系统

present merit的用法和样例：

例句

1. At present the domestic bridge crane control system requires people at the scene to control, control methods are backward.
   目前国内的桥式起重机控制系统都需要人在现场进行控制，控制方式都比较落后。
2. An example system of the design technology based on RTOS will be present in detail on how to design the control system software in the fieldbus.
   以现场总线基于实时操作系统的开发为例，阐述了怎样开发现场总线的控制系统软件。