改进后的方法既能提高全局对比度，又能有效放大局部细节。
The proposed method can not only balance the global gray-level dynamic range, but also enhance the local details.
我们可以得出结论，凡是在小体积里需要有效放大的场合，都要采用晶体管。
We may conclude that transistors will be used wherever efficient amplification required within a small space.
保守派突然发现他们面对的是年轻活动家的狂潮，他们求变的热情通过自发的，有效的使用简单的符号和现代通讯而放大了。
Conservatives suddenly found themselves facing a torrent of youthful activists, their passion for change magnified by the spontaneous but effective use of simple symbols and modern communications.
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