random sampling
sampling (statistics)
/suto3/google.iconrandom sampling
/suto3/Google画像検索.iconrandom sampling
/suto3/Google定義検索.icon random sampling
/suto3/wikipedia.iconrandom sampling
/suto3/weblio.icon random sampling
/suto3/kotobank.icon random sampling
/suto3/jisho.icon random sampling