Firefox 3.1 Beta 2 was somewhat surprising as local variable writes were very fast but performance degraded significantly once the variable was out of the local scope.

Firefox 3.1 Beta 2的表现有点出人意料，对于局部变量执行的效率非常高，但随着作用域层数的增加，效率便大打折扣。

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Developing tendency of modern basketball is fast, high, accurate and variable, namely, the speed, height, force, and the technique organically combined with tactics.

现代篮球的发展趋势是“快、高、准、变”，也就是速度、高度、力量、技术和战术的有机结合。

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Based on the good properties of exponential fast terminal sliding mode, a novel sliding mode variable structure control for high-order uncertain nonlinear systems is proposed.

针对一类高阶不确定非线性系统，基于指数型快速终端滑模的良好特性，提出了一种新的滑模变结构控制。

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Like a loose slot machine, the infinite scroll gives users fast access to variable rewards.

FORBES: Infinite Scroll: The Web's Slot Machine

The Free Fighter includes four fully customizable macro buttons for quick access to combos, as well as two variable speed turbo buttons for fast, slow or user-created tap speed.

ENGADGET: Nyko Free Fighter joystick brings flexible controls, arcade flair to the PS3