For instance, if a homing pigeon is to navigate with its Sun compass, its clock must be properly set by cues provided by the daylight/darkness cycle.
例如，如果一只信鸽要用它的太阳罗盘进行导航，它必须根据日光/黑暗的循环所提供的线索正确设置时间。
Sun Compass is a program to show the north direction from the sun or moon position.
太阳罗盘(指南针)是一个能依据太阳或月亮的位置指示北方的程序。
Western Europeans had also developed and put into use the magnetic compass, which helped when clouds obliterated both the Sun and the stars.
西欧人也已经发明并且使用了磁罗盘，当云彩同时遮住了太阳和星星时，它就能起作用。
Past studies have shown that the insects use the sun as a compass to show them the way.
以往的研究证明这些小昆虫把太阳当作指南针，为它们指路。
Theyseemed to be using the Sun as a compass to determine direction.
它们好像使用太阳作为指南针来决定方向。
It is very unlikely that they had a compass, although some Vikings may have used an instrument called a sun-shadow board to help them to navigate.
这是不太可能，他们有一个指南针，虽然可能有一些海盗使用的一种手段称为太阳阴影委员会来帮助他们来浏览。
It is very unlikely that they had a compass, although some Vikings may have used an instrument called a sun-shadow board to help them to navigate.
这是不太可能，他们有一个指南针，虽然可能有一些海盗使用的一种手段称为太阳阴影委员会来帮助他们来浏览。
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