The horse is dog cheap, and you will have a long day for your money.
The expense far exceeds what I expected.
rubber stamp committee
When calculating the size of the spot created on the retina by the lens of the eye when focusing the energy from a collimated source, the eye is generally considered to be ideal and diffraction limited.
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
★★★★★★★★★★
