该测头采用PSD作为敏感元件并采用单片机技术完成对测量数据的处理。
The PSD (positinon sensitive detector) is utilized as the sensitive detector of the sensor, and the microprocessor to implement data processing.
但是，天文学家仍需要一双敏锐的眼睛——哈勃来首次完成对这太阳系之外的一颗行星大气层化学构成的直接测量。
But they needed the keen 'eye' of Hubble to make the first direct measurement of the chemical makeup of an extrasolar planet's atmosphere.
当每一个体有相同的子个体，并且每一子个体的处理水平是成对的时候，我们使用套重复测量模型。
A nested repeated measures model occurs in analysis of variance when a particular individual has the same number of subindividuals and each subindividual receives every pair of treatment levels.
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