For developers who have written applications for both iPhone and iPad, this backward compatibility will feel familiar.
对于编写iPhone与iPad应用的开发者来说，这种向后兼容性是再熟悉不过的了。
For developers who have written applications for both iPhone and iPad, this backward compatibility will feel familiar.
对于编写iPhone与iPad应用的开发者来说，这种向后兼容性是再熟悉不过的了。
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