原级：demarcate
第三人称单数：demarcates
过去分词：demarcated
过去式：demarcated
danci.911cha.com
1. 标定：特征点定位:feature points location | 标定:demarcating | 特征点提取和匹配:extracting and matching feature points
1. The PMI is a preliminary reading on the nation's manufacturing activity, with 50 demarcating expansion from contraction.