Normally the spectrum is given as a function of transmittance, the quotient of the intensity of the transmitted radiation and the incident radiation.
在测量范围内可以产生单色辐射光学系统的分光光度计也可以使用。通常光谱是透光度（透射光强度与入射光强度之商）的函数。
The dose response curves of the EPID were established by relating the pixel value output of the EPID with the incident radiation intensity received by the detector.
通过建立入射到探头的射线强度与EPID像素值之间的关系，得到了EPID的剂量响应曲线。
The dose response curves of the EPID were established by relating the pixel value output of the EPID with the incident radiation intensity received by the detector.
通过建立入射到探头的射线强度与EPID像素值之间的关系，得到了EPID的剂量响应曲线。
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