The author draws the curve of rolling speed by decompounding the rolling velocity and obtained the qualification that meets the workpiece not rolling when the 3-roller rolls.
通过对轧辊与轧件相对速度的分解，作出轧制速度曲线，得出满足轧件不转的条件。
Once you have started the boulder rolling, it develops momentum, which is defined by its mass and velocity.
一旦你开始让巨石滚动，巨石就会产生动量，这是由其质量和速度决定的。
"... they are often maniacal about measuring velocity-team velocity, velocity across teams, rolling up velocity to an organizational level or even velocity per developer (yuck) ", he writes.
他写道：“……他们通常狂热的衡量开发速度——团队开发速度、不同团队间开发速度的比较、组织级的开发速度、甚至是每个开发人员的开发速度(呸！)”
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