根据时间或幅度选择波形的一部分，即在一个特定的间隔里一个波形允许另一个波形通过电路的动作。
Selection of part of a wave on account of time or magnitude. Operation of a circuit when one wave allows another to pass during specific intervals.
如果你还没有受到任何开发框架束缚的话，实在没有什么理由不选择GWT，因为GWT能够无偿的使应用的整体性能得到大幅度提升。
If you're not already bound to a framework it just doesn't make sense to not use it. By using GWT for your Ajax application you get big performance gains for free.
12月4日，英格兰银行再一次选择大幅度降息，继一个月前1.5%的惊人降幅将市场基准利率降低了1个百分点，至2%。
On December 4th the Bank of England again opted for boldness. It cut its benchmark rate by a percentage point, to 2%, following a stunning one-and-a-half-point reduction a month earlier.
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