When in the short axis view with the papillary muscles and chordae tendineae in view place the M. mode cursor between the papillary muscles and obtain an M-mode trace of cardiac function.是什么意思_When in the short axis view with the papillary muscles and chordae tendineae in view place the M. mode cursor between the papillary muscles and obtain an M-mode trace of cardiac function.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句