To control the flow in the high density area in the upper part of the tank the TES is used to spread the stock evenly on the top surface and to create a uniform down flow.
为了控制罐上部区域中浓浆料的流向，TES用来在顶部表面均匀扩散原料，同时形成一致的向下流动。
2
The origin for client coordinates is the upper-left corner of the client area of the control or form.
工作区座标的原点位于控制项或表单的工作区的左上角。
3
Because client coordinates are relative to the upper-left corner of the client area of the control, the coordinates of the upper-left corner of the rectangle returned by this property are (0, 0).