设G为局部紧群，在一致连续函数空间U（ G）上，用两种方法证明左不变平均和拓扑左不变的等价性。
On uniformly continuous function space U(G), Equivalence of invariant mean and topological invariant mean is showed by two methods.
Win+Shift+左/右箭头 将当前程序窗口从一个显示器移到另一个显示器，保持相对显示器边缘位置不变。
Win+Shift+Left Arrow and Win+Shift+Right Arrow : Move a window from one monitor to another, keeping them in the same relative location to the monitor’s top-left origin.
左：机器人向左旋转90度，并保持原先所在的格网位置不变。
Left: the robot turns left 90 degrees and remains on the current grid point.
研究结果表明，干细胞移植治疗组的6个月后的左室舒张末期的内径保持不变，而在对照组是显著增加。
Left ventricular end diastolic internal diameter remained unchanged in the stem cell transfer group at 6 months, the results indicate, whereas it increased significantly in the control group.
感觉左肩稍高，以保持脊柱角度不变。
Fell like the left side stays high with no change in the spine Angle.
针对普通立式车床的不足之处，在保留右刀架机械结构和操作功能不变的基础上对C5225立式车床的左刀架进给系统进行了数控化改造。
According to the shortage of C5225 vertical lathe, numerical control alteration on feed system of C5225 vertical lathe was done in the base of keeping the mechanism structure and handling function.
针对普通立式车床的不足之处，在保留右刀架机械结构和操作功能不变的基础上对C5225立式车床的左刀架进给系统进行了数控化改造。
According to the shortage of C5225 vertical lathe, numerical control alteration on feed system of C5225 vertical lathe was done in the base of keeping the mechanism structure and handling function.
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