[問題] Nike running距離速度的正確性
大家好,我是路跑的初學者,
從三月跑步以來,一直使用ipod touch(無網路功能)和nike running作為記錄工具,
以前沿著附近的河堤跑一圈約一公里,速度為五分半鐘左右,
這兩次發現同樣的地點要跑到一圈半才顯示一公里,速度也降低為六分鐘,
後來仔細想想,這兩次和之前的差別是,之前都把ipod touch放在褲子口袋中,
這兩次因為穿的褲子沒有口袋,所以放在外套口袋中,
請問會是因為放置的位置不同而造成誤差嗎?@@
再請各位提點,謝謝^^
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