A measuring facility has been designed by using the principle of laser scattering method, and the concrete measuring method for primary and secondary water droplet being given.
采用激光散射法原理设计的测量装置测量蒸汽湿度和水滴直径，并且给出了一次水滴和二次水滴的具体测量方法。
The presented results also include the relations between scattering factors with therapeutical fields and the distances of primary X-ray source and target plane.
比较的结果还包括均整块和初级准直器的散射与射野大小及离开X射线源距离之间的关系。
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