用于测量血液的两大方法是色彩反射(color reflectance)法以 及机电传感器技术(安培计法)。 反射法的模拟前端一般采用光学传感器(LED、光晶体管)及互 阻放大器。
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它们的色彩反射在沿着地板的各个银色碟片上。
Their colors reflected on silver disks that lined the floor.
那些色彩在一张圆盘上旋转，并被反射到后面的墙上。
The colours rotated around on a disc and were reflected onto the wall behind.
由于反射的角度，第二层虹的色彩搭配显得同第一层有一点相反。
Because of the Angle of reflection, the second rainbow appears with the opposite colour scheme to the first.
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