In 1933, DOWAY Company provided the special coatings for military machinery and started to enter into the field of aviation and navigation special coatings.
1933年杜威公司开始为军事机械提供专用涂料，为进军航天航海专用涂料领域迈出决定性的一步。
2
Now GPS receivers, as a type of advanced equipment on navigation and positioning, have been widely used in both military and civil field.
现在，GPS接收机作为一种先进的导航和定位仪器，已在军事及民用领域得到广泛的应用。
3
But many nations traverse the sea for shipping and military purposes and have an interest in keeping it free for navigation.