Lower deviation: the difference between the minimum permissible size of a part and its basic size.

下偏差：零件最小极限尺寸减去其基本尺寸所得的差值。

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Conclusion: in oral oral implant patients there is a deviation professional maintenance, health education should be strengthened, specially pay attention to people with lower education level.

结论：口腔种植患者在口腔专业维护方面存在偏差，应加强健康教育，同时应特别注意文化程度较低的人群。

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Filling deviation depends on filling amount, filling rate and the switching speed of the upper and lower valves.

灌装误差的产生，主要由灌装量、灌装速度、上下阀门的开关速度来确定。

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Investments with a high standard deviation over one year have a lower standard deviation when measured over longer periods.

FORBES: The Efficient Frontier

Or there is no investment with a lower standard deviation for the same expected return.

FORBES: The Efficient Frontier

As you can see in the graph below, when combining such assets, returns generally shift to the lower right: higher return and lower risk (as measured by standard deviation).

FORBES: The Multiple Rewards of Multi-Asset-Class Investing