grained和 fine-grained是什么意思？

coarse-grained和 fine-grained是什么意思？原文：Using Data Transfer ObjectsDTOs (sometimes referred to as value objects) often are used to provide a coarse-grained view of remote, fine-grained data.

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Using Data Transfer Objects使用数据传输目标DTOs (sometimes referred to as value objects) often are used to provide a coarse-grained view of remote, fine-grained data.数据传输目标(有时叫作价值目标)经常用来向远程纹理致密数据提供粗纹理视图.coarse-grained 纹理粗的fine-grained 纹理致密的