Interface relationships are denoted with broken lines and an open arrow.
接口关系用虚线和开箭头表示。
The diagram of distribution of speed arrow, constant lines of flow-stream function, vortex, two speed parts and pressure were studied.
绘制了速度矢量分布图，和流函数，涡量，两个分速度及压强的等值线分布图。
Use the pen tool to create the stroke lines around the corners and all the margins of the folder, paper and arrow.
使用钢笔工具沿拐角处和文件夹、箭头和纸张的边缘绘制路径。然后在工作区右键选择描边路径-画笔。
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