It's a Spanish to English and English to Spanish Dictionary.

这是一本西班牙语英语和英语西班牙语字典。

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Spanish to English and English to Spanish Dictionary.

西班牙语英语和英语西班牙语字典。

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That's because machine translation techniques rely on analysing the statistical properties of the same text written in two different languages - a Spanish-English dictionary, for example.

这是因为机器翻译技术依赖于分析同一文本两种语言版本的统计特性，如西班牙语——英语字典等。

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In addition, the new Reader line offers users on-screen functionality to look up words and phrases with the built-in New Oxford American Dictionary, Second Edition and Oxford Dictionary of English eDictionaries, as well as 10 translation dictionaries in languages such as French, German, Spanish, Italian and Dutch.

ENGADGET: Sony Reader Daily Edition (PRS-950SC) now shipping for $299