In printing, a small overlap where two colours meet to safeguard against a gap which might otherwise occur due to a lack of register.
在彩色套印技术中，两种颜色接合处的一小点儿重叠，为防止由于套准不好而可能出现的间隙。参阅register。
A stitch made by inserting the needle at the midpoint of a preceding stitch so that the stitches overlap by half lengths.
回针缝在先前缝的一针中间加缝的一针，以便使针脚的交错重叠为原来长度的一半
There is no question of overlap between the two courses.
这两门课程之间不存在重叠的问题。
