方法：数字化计算机控制体层摄影测量技术被用来确定呼吸消化道起始端鼻腔和口腔之间的解剖长度差异。
Methods: Digital computerized tomography measurement techniques were used to determine the difference in length between the nasal and oral aerodigestive tracts.
通过计算机控制，加力机构可以对微小试件按力或位移控制方式加载，载荷大小通过传感器直接由计算机数字化。
The loading frame can work in either load-control or displacement-control mode, and signals from the load sensor are digitalized with the control computer.
图像采集系统是扫描电镜的一个重要组成部分，用于控制扫描电镜的扫描电源，视频图像采集、数字化与显示，电镜主控计算机与底层微机板的通讯和电镜照相。
The image acquisition system of SEM was designed based on the PCI bus to control the scanning generator, the image acquisition, data communication and the photograph system.
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