In view of disturbances of eyelids, eyelashes spots locate in the annular section, a detection method of eyelids and eyelashes in the iris segmentation is proposed.
虹膜分割是虹膜识别的前提，针对分割出的环状区域含有眼睑、眼睫毛和光斑等干扰，本文提出一种虹膜分割中的眼睑和睫毛的检测方法。
This paper presented a method of strength calculation and strength check of annular and circular section in flexure and eccentrically compressed component for reinforced concrete structure.
论述钢筋混凝土结构环形截面及圆形截面受弯构件、偏心受压构件强度计算和强度复核的计算方法。
A pulsed extraction column with an annular cross section can successfully provide large-cross-section and can be made critically safe for nuclear operation.
具有环状截面的脉冲萃取柱可以有效地提供更大的柱截面积，并且保证核燃料的临界安全。
A pulsed extraction column with an annular cross section can successfully provide large-cross-section and can be made critically safe for nuclear operation.
具有环状截面的脉冲萃取柱可以有效地提供更大的柱截面积，并且保证核燃料的临界安全。
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