In left area the contour and size of the left ventricle and left atrium and the shape and coaptation of the mitral valve could be visualized.
左区能显示整个左室、左房的大小，二尖瓣的形态与对合情况，二尖瓣脱垂者可见叶瓣游离缘处某一区域向左房脱出。
Cut cut after receiving the task, it can automatic scanning of the steel plate load position and actual size, and planned to synthetic steel plate peripheral contour cutting.
割机组接收到切割任务后，可自动扫描钢板的装载位置和实际尺寸，并拟合成钢切板外围轮廓。
Methods The size, shape, echogenicity, contour, and color Doppler features of 5 thyroid tuberculosis were assessed, and then compared with the results of operation or pathology.
方法回顾性分析5例甲状腺结核的声像图特点，包括结核病灶大小、形态、回声、边界、血流等，并与手术及病理结果对照分析。
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