The course of their work in graphics, Z buffer, frame buffer and texture buffer memory bandwidth will be substantially occupied resources.

在显卡工作过程中，Z缓冲器、帧缓冲器和纹理缓冲器都会大幅占用显存带宽资源。

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The coordinate frame called map is a world fixed frame, with its Z-axis pointing upwards.

该map坐标系是一个世界固定坐标系，其Z轴指向上方。

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