通常，问题归结到我们假设了类型是否具有兼容的范围。
Often, problems come down to assumptions about whether types have compatible ranges.
电台提供可以与基于IP的系统的互操作和兼容，并已扩大电台频率范围和窄频带宽操作模式。
The radio provides interoperability and compatibility with IP-based systems and has an extended radio-frequency range and narrow-frequency bandwidth operating modes.
正因为这样，你的网站在跨平台的范围更加兼容，更容易的支持搜索引擎友好。
Because of this, your site will be compatible across a wider range of platforms and will be more search engine friendly with less work.
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