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。
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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