Saab将升级其战斗和火力控制系统到9lv Mk 4，即第四代海军指挥和控制系统。
Saab is upgrading the vessels' combat and fire control systems to 9lv Mk4, the fourth generation naval command and control system.
葡萄牙海军指挥带领他的船队沿着非洲西海岸航行，试图找到去印度和东亚的捷径。
Portuguese sea captains led their ships around the west coast of Africa hoping to find a path to India and East Asia.
扇贝壳-曾有过远渡异国他乡经历的人，或是有杰出的海军指挥能力，或是功绩卓越的人。
Escallop Shell - One who has made long journeys or voyages to far countries, who had borne considerable naval command or who had gained great victories.
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