navigation mark

常见例句

If ambition is likened to the navigation mark for one's life, those with no ambition have no compass in life.
如果把理想比作人生的航标，那么，那些无所追求的人生活没有方向。
Ramark, a navigation aid installed on coast or islands, is used with shipborne radar for navigation mark recognising, ship positioning and navigating.
雷达指向标是一种配合船用雷达使用的助航仪器，它主要安置于陆岸或岛屿，作为航标识别及定位、导航之用。
The product that the doubt that Chinese merchant flying firm should face above all is this company whether contented comfortable navigation mark is accurate.
中国商飞公司首先要面对的质疑就是该公司的产品能否满足适航标准。