由于船要在极地地区航行,那么也需要动力装置以满足穿越冰海的需求。
Ancient mariners, whether they be Vikings or South Sea Islanders, would navigate with astronomical bearings by reading the celestial bodies as well as landmarks.古代的航海家,不管是维京人还是南太平洋岛民,都会携带天文仪出海,以观天象和地标。
Because with the coming of the networked world, the boundaries between these different arenas are becoming blurred, and we can help you navigate this sea of change.因为,伴随着网络化世界的到来,不同领域的界限正在消亡,而我们可以为您在变革中导航。