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内容来自iPhone手机客户端
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vange:两个办法:1、用GPS测量山底和山顶的海拔高度,以及距离,算出平均坡度。由于GPS的高度测量存在误差,所以必须要拉大测量的范围,才能确保精度偏差在可接受的范围内2、找个矿泉水瓶,装半瓶水,瓶身紧贴在坡面上,用手机从侧面拍张照片,回家用PS量一下水面跟瓶身的夹角,得出此坡面上这一点的精确坡度
图片:某个公路的极端坡度.png
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alan44:车都这么壕了还没有GPS码表? (2016-08-03 20:56)
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小妖的兔子:话说IGS60码表好像也有坡度 (2016-08-03 18:17)
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内容来自Android手机客户端
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kolmaro:这坡不算陡,最多15%不到。 (2016-08-03 13:13)
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chaihaoqing:佳明码表可以,手机不带气压计,app即使有这个项也只是推算并不可信 (2016-08-03 10:44)
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