短語詞組短語back trace buffer 重設(shè)回溯追蹤緩沖區(qū)write -back buffer 寫回緩沖single back buffer display 單后備緩存顯示Unified Back Buffer 一后備緩和沖突器Windowed SwapBuffers Destroys Back Buffer 窗口緩沖替換最后緩沖 返回 back buffer