Linear operator
线性算子，线性运算器
🧩 词语组成解析
🗣️ 情景例句
Allow me to suggest an alternative.
让我提个其他的建议吧。
When did you go painting?
你什么时候去画画？
When you place a sheet of paper in a fax machine, the machine reads the writing on the page and changes the shapes of letters into electronic signals.
当你把一张纸放进传真机里，机器就会"读"纸上的字迹，把字的形状变为电子符号。