T Echo 慢金属
light t echo 回光
contrast t echo-cardiograph 造影超声心动图
echo t r acking 是近年应用于临床的超声新技术即血管回声跟踪
Echo heig Slave t 回波高度
t -weighted fast spin-echo 快速自旋回波t2加权
t 2-weighted fast spin-echo 快速自旋回波t加权
The -e flag to the echo command tells it to expand C-style escaped characters; in this case, it's going to turn \ t into a TAB character for you.
echo命令的- e标志用来告诉该命令扩展c风格的转义字符，在本示例中，它会把\ t转换为制表符。
Methods The manifestation, internal echo, the L/T ratio, CDFI and RI frequency spectrum feature of the superficial lymph nodes were studied with high frequency and color Doppler ultrasound 89 cases.
方法本组89例，应用高频率的彩色多谱勒超声检查肿大淋巴结的形态及内部回声、纵横比（L/T）、彩色多谱勒血流显像（CD FI）及阻力指数（RI）的频谱特征。
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