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。
It is found that there is a secondary flow on the annular cross section.
结果表明：环形截面上存在二次流。
It is found that the secondary flow are taken place on the annular cross section.
结果表明环形截面上存在二次流动。
It is found that the secondary flow are taken place on the annular cross section.
结果表明环形截面上存在二次流动。
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