present to给予(赠送）； 出现在presentn.礼物；现在adj.出席的；现在的；当前的；存在的v.提出；赠送；呈现present legislative situation立法现状present situation of industry产业现状presenting public prosecution[法] 提起公诉present situation in P.E.体育现状present status of application应用现状present-day Chinese Marxism当代中国的马克思主义present development condition开发现状present educational situation教育现状presented in a favorable light给人以好印象Present Situations and Reasons应用现状及原因

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。