Peak velocity (Vp), mean velocity (Vm), pulsatile index(PI) and resistance index(RI) of malignant tumor are higher than those of benign tumor.是什么意思_Peak velocity (Vp), mean velocity (Vm), pulsatile index(PI) and resistance index(RI) of malignant tumor are higher than those of benign tumor.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句