There are tens of combinations between the collimators and the filters.
多达几十种的准直器和滤光片的自由组合。
The modulator consists of a pair of electro-optic crystals, one polarizer and a pair of collimators.
整个装置由一对电光晶体、一个起偏器和一对准直系统组成。
And a monitor backscatter factor is used to correct the effect of backscatter from secondary collimators.
并用一个反向散射修正因子对次级准直器的反向散射进行修正。
The FBG optical switch (OSW), which composes by FBG collimators, is the integration package of FBG and OSW.
由光纤光栅准直器组成的光纤光栅光开关真正实现了光纤光栅与光开关二合为一的结构。
Smaller collimators are particularly good at generating steep dose gradients and conforming dose to the target.
尺寸越小的准直器特别有助于针对病灶产生有陡峭剂量梯度和适形的照射剂量。
This is typically achieved using fixed, circular collimators that produce sharp-edged, highly conformal treatment beams.
实现这种效果具代表性地是采用固定、圆形的准直器，它能够产生边缘锐利、高适形的治疗射束。
Focusing collimators were used instead of single collimator to increase the scattering photon flux received by detector.
提出利用聚焦准直器代替单个准直器以达到增大探测器接收到的散射光子通量的目的。
It is able not only to replace many existing collimators such as MLC, but also to make the conformal radiotherapy easier.
这种设备可以替代现有的多叶光栏和其它类别的准直器，使适形放疗更加易于实现。
It is able not only to replace many existing collimators such as MLC, but also to make the conformal radiotherapy easier.
这种设备可以替代现有的多叶光栏和其它类别的准直器，使适形放疗更加易于实现。
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