当使用者将新资料列捲动到检视内时，程式码会从快取要求新资料，并且选择性地清除记忆体的旧资料。

When the user scrolls new rows into view, your code requests new data from the cache and optionally flushes old data from memory.

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当使用者将新资料列捲动到检视内时，程式码会从快取要求新资料，并且选择性地清除记忆体的旧资料。

When the user scrolls new rows into view, your code requests new data from the cache and optionally flushes old data from memory.

youdao