secondary circle中文

• 【天文學】第二圈，副圈。

• secondary:    adj. 1.第二(位)的，第二次的 ...
• circle:    n. 1.圓；圓周；圈；環；環狀物。 ...
• secondary great circle:    次大圓; 副大圓

例句與用法

1. The technology of identification based on iris is researched in the article , the key point of the technology is the iris characteristic acquisition and recognition , therefore based on the iris image texture characteristic , using the wavelet transforms to get the characteristic of iris image , a new method named zero - crossing detection and secondary circle coding is used in the article
   本文研究的就是用虹膜進行身份識別的技術,該技術的關鍵是虹膜特征提取和識別。基于虹膜圖像的紋理特征,利用小波變換來提取虹膜圖像的特征,本文提出了基于小波過零檢測的循環二次編碼的方法。