扩展流 meaning in English

dilatant flow

If the given value is larger than the current length of the stream , the stream is expanded
如果给定值大于流的当前长度，则扩展流。
If the stream is expanded , the contents of the stream between the old and the new lengths are undefined
如果扩展流，则流的新旧长度之间的内容是未定义的。
In this dissertation , following the ideas of gage and hamilton , we investigate some special planar curvature flow of contraction and expansion . the paper consists of three chapters
本文遵循gage - hamilton研究曲线收缩流的思路，针对特殊的平面曲线收缩流和扩展流，我们得到了相类似的一些结论，文章共分三部分。