If a function needs to maintain the state of some data over successive calls, such as a working buffer or a pointer, the caller should provide this data.

如果函数需要在一系列调用期间维持某些数据的状态，比如工作缓存或指针，那么调用者应该提供此数据。

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This pre-conversion is critical for maintaining color state through transitions of different frames as their portions are blitted to the buffer and, eventually, the screen.

帧的局部经过位块传输后保存在缓冲区，最终在屏幕显示。 这种预转换通过帧间转换，对保持色彩状态十分重要。

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This changes the state of the buffer to FULL.

这样就把缓冲的状态变成FULL。

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Second, China wants to keep a zany North Korea as a buffer state.

FORBES: Magazine Article

It has propped up the Kims, if only to protect the buffer state that separates it from the American troops garrisoned in South Korea.

ECONOMIST: North Korea��s nuclear weapons

When India was allied with the Soviet Union, China and the United States supported Pakistan as a buffer state, reinforcing the neighbors' historical rivalry.

CNN: GIVE PEACE A CHANCE