setcompass.com
网站标题：	Set Compass | Plot and Record Google Map Routes
网站简介：	Use a compass online to plot Google Map routes. Record compass bearings, distances and magnetic declination or variation for single or multiple map routes.
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compassdude.com
网站标题：	Compass - how to use one
网站简介：	Complete compass tutorial, from basic compass reading to wilderness survival
关键字：	compass  compass  use  use  a  compass  compass  orienteering  backcountry  survival  read  compass  hiking  scouting  bearing  housing  declination  directions  ma

 

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