The large quantity statistics data express, the efficiency of motor is not accordant with the data that are marked in the data plate.
大量统计数据表明，电机即使在额定状态下运行，效率也与铭牌标出的额定效率不一致。
Pessen does present a quantity of examples, together with some refreshingly intelligible statistics, to establish the existence of an inordinately wealthy class.
佩森确实提出了大量的例子，以及一些令人耳目一新的、易于理解的统计数据，来证明一个异常富有阶级的存在。
It should be pointed out that the results of mathematical statistics have a certain representation, but it is restricted by the quantity and quality of samples.
应该指出，数理统计的结果具有一定的代表性，但是这一结果受到样本的数目和质量的控制。
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