Kanji info: 粒度分布 — 和英／英和辞典

粒

grains, drop, counter for tiny particles

On'yomi: リュウ (ryuu)

Kun'yomi: つぶ (tsubu)

Radical components: 立米

Stroke order

度

degrees, occurrence, time, counter for occurrences, consider, attitude

On'yomi: ド (do)、ト (to)、タク (taku)

Kun'yomi: たび (tabi)、 -た.い (-ta.i)

Radical components: 一凵又广

Stroke order

分

part, minute of time, segment, share, degree, one's lot, duty, understand, know, rate, 1%, chances, shaku/100

On'yomi: ブン (bun)、フン (fun)、ブ (bu)

Kun'yomi: わ.ける (wa.keru)、わ.け (wa.ke)、わ.かれる (wa.kareru)、わ.かる (wa.karu)、わ.かつ (wa.katsu)

Radical components: ハ刀

Stroke order

布

linen, cloth, spread, distribute

On'yomi: フ (fu)、ホ (ho)

Kun'yomi: ぬの (nuno)、し.く (shi.ku)、きれ (kire)

Radical components: ノ一巾

Stroke order