標準體育場田徑跑道的「400米」，究竟是如何測量出來的 ... | 北市公共場所AED急救網

2018年11月28日—400米標準田徑跑道（半圓式田徑場）簡單來說，就是兩個半圓+兩條直道組成的橢圓形封閉運動場。它的尺寸規格發生過幾次變化，直到80年代， ...

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