In practice, the selected interval thickness is usually a compromise between the need for a thin interval to maximize the resolution and a thick interval to minimize the error.
为保证最大分辨率必须选用薄层，为使误差最小却须选用厚层，实际上通常选择介于两者之间的最佳厚度。
The wall thickness is determined by measuring the interval time of echoes at the interfaces.
壁厚测量是通过测量界面回波间隔时间来实现的。
By standard dose schemes, the slice thickness, reconstruction interval, pitch, nodule size and position all influence the defection of the lung nodules.
常规剂量扫描条件下，扫描层厚、重建间隔、螺距、结节大小、结节位置均可影响结节的检出。
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