一个半世纪以前，狄更斯在年青的美国大街上走，看到他的小说被盗版贱卖，也相当气愤。
A century and a half ago, Charles Dickens walked the streets of young America and fumed to see his novels in cheap pirate versions.
经合组织是一个多国集团30个国家设立了近一个半世纪以前，瑞士，一名成员。
The OECD is a multinational grouping of 30 countries established nearly a half-century ago, with Switzerland a member.
这个想法是可以追溯到一个半世纪以前的光的理论的一部分，但当它被建议作为一种推进数据比率的机制时，并不能令所有的人信服。
The idea is a part of the theory of light going back a century and a half, but when it was proposed as a mechanism for boosting data rates, not everyone was convinced.
这个想法是可以追溯到一个半世纪以前的光的理论的一部分，但当它被建议作为一种推进数据比率的机制时，并不能令所有的人信服。
The idea is a part of the theory of light going back a century and a half, but when it was proposed as a mechanism for boosting data rates, not everyone was convinced.
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