指北针

铁箱能使高地球磁选机场影响不了指北针。

An iron case will keep the Earths magnetic field away from the compass .

就像失去指北针的船支漫无目的到处漂流。

Like a ship that has lost its compass and is drifting about aimlessly .

北极熊住在北极的雪地以及冰原。在地磁反转后，指北针的指针会指向南极，而不再是冰冻的北极。

The polar bear lives in the snow and ice at the North Pole .

中国人发明了指南针（即指北针）。

The Chinese invented the compass .

如果你想买，就要选购一个有透明塑胶底座的定向专用指北针。

If you want to buy a compass , get one with a clear plastic baseplate meant for orienteering .

再者，专业的定向运动项目在器材配备方面要求较高，如地图、指北针、打卡器、检查点等。

Moreover , the equipment of professional sports for orienting items with high demand such as maps , compass , clock , and check points .

定向运动是利用一张详细精准的定向专用地图和一个指北针，按照标注顺序到访地图上所指示的各个点标，以最短时间到达所有点标的人为胜。

Directional motion is to make use of a detailed accurate map and a compass indicating each counts a bid , takes that short time gets to all bid person most as victory according to order to visiting the upper institute of map .