比例阀阀芯具有比较宽的边缘带有槽口的台肩。
A proportional valve spool therefore has wider lands with notches cut into the edges.
传统的边缘检测算子一般都只能得到比较宽的边缘，这为以后的图像处理带来了一定的困难。
The traditional image edge detection operators can only get very wide edges usually, which makes it difficult for the later image processing.
这些方法得到的石墨烯带都比较宽(超过10nm)，而且边缘粗糙。
Such methods produce ribbons that are relatively wide (more than 10 nm across) with rough edges.
这些方法得到的石墨烯带都比较宽(超过10nm)，而且边缘粗糙。
Such methods produce ribbons that are relatively wide (more than 10 nm across) with rough edges.
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