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My map app records the details of current location from newLocation. But speed when is returned by the newLocation.speed is not exact as what my bike's speed-o-meter. When its 60 on my bike speed-o-meter the newLocation.speed shows 18. Please help me to find the exact speed.

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2 回答 2

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我自己整理的。从 m/s 转换为 KMPH 和 MPH 时出现错误。

于 2013-02-20T09:47:05.340 回答
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newLocation.speed 的单位是 m/s（米每秒）。检查 newLocation.speed 的测量单位和您的自行车的 speed-o-meter 是否相同

于 2013-02-11T15:06:21.113 回答