... multiple epidermis ==> 多列表皮,复表皮层 multiple error ==> 多误差 multiple evaporator ==> 多次蒸发器 ...
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提出误差集聚法，可建立多误差因素共同作用下的切削加工数学模型，使之纳入机床加工过程的几何与物理误差。
A synthesizing method is developed to establish a mathematical model for describing the machining tolerance which synthesizes bo th the geometric and physical tolerance.
差不多，就是这么多，因此必须允许这么大的误差。
You will see that that is about this much higher than this so we must allow for this error.
改进后的未来时钟准确度将提高到320亿年一秒的误差——高出宇宙年龄的两倍多。
Future clocks that use the new improvements would be accurate to a second every 32 billion years — more than twice the age of the universe.
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