datum plane
plural of lame brain
(engineering) A plane which serves as a reference or base for the measurement of other quantities.
plural of guarder
The state or condition of being multitudinous.
アカウントを持っていませんか? 新規登録
アカウントを持っていますか? ログイン
DiQt(ディクト)
無料
★★★★★★★★★★