The upperblock will be representing the business applications.
上层将会表现出商业应用。
2
But on this UpperBlock is where Microsoft says, "Yes, let's put all the OSS you want here".
但是在这一层正是微软所说的“是的，放上所有你想要的OSS在这里”的地方。
3
In step for selecting reference motion vectors, selecting lower left block, upperblock, and upper right block adjacent to current block is as motion vectors of current block.