The term "sailing vessel" means any vessel under sail provided that propellingmachinery, if fitted, is not being used.
“帆船”一词，指任何使帆的船舶，如果装有推进器但不在使用。
2
There is generally an advantage in being able to keep propellingmachinery as far aft as a large gear box restricts possible, but this positioning.
一般来说，使推进装置尽可能远离舰尾是有利的，但是这样布置会受到大齿轮箱的限制。
3
It features quick control response, high accuracy, good stability and wide scope of adaption. It will be widely applied in self-propelling type machinery.