Results Colour ultrasound could show the size, appearance, presence or absence of nodules, internal echo, blood flow distribution of thyroid and so on.
结果表明彩超可清晰地显示甲状腺大小、形态、结节的有无，内部回声及血流分布等。
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。
Methods 23 cases were examined by ultrasound to assess the location, extension and internal echo structure of the lesion. The results of ultrasonography were compared with those of surgery findings.
方法：采用超声仪探查23例患儿病变区的位置、大小形态和内部回声情况，并将结果与手术及病理发现相比较。
Comprehensive utilization of non-destructive methods such as ultrasonic, impact echo and ground penetrating radar to study the characteristics of the internal structural of early hardened concrete.
综合利用超声波、冲击回波、探地雷达等手段研究了凝结硬化早期混凝土内部的结构特征。
There is one button per function, one dialog per module of code, and the commands and processes precisely echo the internal data structures and algorithms.
每个函数一个按钮，每个代码模块一个对话框，命令和进程都精确地回应着内部的数据结构和算法。
Methods A total of 57 cases with breast cancer confirmed by operation, were analyzed and reviewed The contour margin, internal calcification, retrotumoral echo and surrounding tissues were observed.
方法对手术病理证实的5 7例乳腺癌的超声图像进行分析。分析内容包括边缘形态、内部钙化、后方回声、周围组织情况等方面。
The ultrasonographic characteristics of axillary metastatic lymph node were enlarged and low internal-echo.
腋窝转移性淋巴结以淋巴结肿大，内部低回声为声像图特征。
The ultrasonographic characteristics of axillary metastatic lymph node were enlarged and low internal-echo.
腋窝转移性淋巴结以淋巴结肿大，内部低回声为声像图特征。
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