Entry Nº 067Stage 3 · Grades 5–6图形与几何
比例尺
图上距离与实际距离的比。
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Definition
地图上 1 厘米代表实际 1 千米,比例尺就是 ——图上距离 ∶ 实际距离。有了它,一张纸装得下一座城。
Where it comes from · where it goes
Prerequisites
What builds on it
(none yet)