aereal https://blog.hatena.ne.jp/aereal/ Sexually Knowing https://this.aereal.org/ ruby class Length YARD = { :barleycorn => ((1.0 / 3) / 12) / 3, :in => (1.0 / 3) / 12, :ft => 1.0 / 3, :yard => 1.0, :pole => 5.5, :chain => 5.5 * 4, :furlong => 5.5 * 4 * 10, :ml => 5.5 * 4 * 10 * 8, :league => 5.5 * 4 * 10 * 8 * 3, } METRIC = { :Ym => 10 ** 24, :Zm => 10 ** 21, :Em => 10 ** 18, :Pm => … 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fthis.aereal.org%2Fentry%2F20100417%2F1271448634" title=" 長さの単位を扱う - Sexually Knowing" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2010-04-17 05:10:34 rich https://this.aereal.org/entry/20100417/1271448634 1.0 100%