渐变流(缓变流)是指各流线接近于平行直线的流动。也就是说各流线之间的夹角很小,而且流线的曲率半径很大,否则流为急变流。
使用计算机计算明渠恒定渐变流水面曲线有两种分法:恒定流方法和非恒定流方法。
Steady water surface profile of gradually varied flow can be calculated using either a steady flow approach or an unsteady flow approach.
使用渐变时,保证好的视觉流很重要:请保守而精致地使用渐变。
When working with gradients, it is important to keep a nice visual flow: use gradients sparingly or subtly.
网站作为静态目的地正渐渐变得没那么重要,因为人们通过社交网络成为信息流的一部分。
Websites as static destinations are growing less important as peopleenter into information flows through social networks.
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