Set theory is the base of modem mathematics, while the mapping is the basic tool and method in it for setting up concepts and theories of modem mathematics.是什么意思_Set theory is the base of modem mathematics, while the mapping is the basic tool and method in it for setting up concepts and theories of modem mathematics.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句