Vocabulary consisting only from characters you are able to read
整列
せいれつ
standing in a row, forming a line, alignmentsuru
放流
ほうりゅう
(1)discharge (e.g. of water from a dam), (2)liberation, stocking (e.g. a river with fish) suru
数式
すうしき
numerical formulamix
実は
じつは
as a matter of fact, by the way, to tell you the truth, to be honest, franklyjlpt3