primary surface meaning in Chinese

基本面
主表面
主平面

2 ) it is difficult to put together two smooth surfaces , which are divided from a complex primary surface
2 )在曲面重构时由于对复杂曲面的分片造成曲面片之间的连续性拼接的困难。
Using overlay to save data and display on condition that the display adapter supports it . otherwise , using off - screen to save data and using bit to transfer data to the primary surface . bring forward the method of block moving or line moving to transfer data from pc memory to video memory
在硬件支持覆盖图并满足应用需求的情况下，使用覆盖图进行图像数据存储和显示；上述条件不满足时，使用离屏表面作为图像存储区，并使用位块传送方法bit传递离屏表面数据到主表面以完成图像的显示。