Using the same two initial arm lengths an angle of 90 degrees between them produces a third side which is the square root of 2 times the arm length.是什么意思_Using the same two initial arm lengths an angle of 90 degrees between them produces a third side which is the square root of 2 times the arm length.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句