English translation for "geometrical focus"

几何焦点

Related Translations:

geometrical:  adj.1.几何学的，几何图形的。2.按几何级数增长的。adv.-rically

geometrical aspect:  几何形状尺寸

geometrical variable:  几何变星

geometrical isomerism:  几何异构现象；几何异构性

geometrical mechanics:  几何力学

geometrical levelling:  几何平整

geometrical axis:  几何轴

geometrical ornamental:  几何形装饰

geometrical shapes:  几何图形

geometrical crystallography:  几何结晶学几何晶体学

Example Sentences:

1.

According to geometrical focusing theory , the gamma knife can focus in spirals 30 beams of co - 60 gamma rays through a collimator to form a high - quality high - dose radiation field . the size of radiation filed can be varied and shaped according to tumor size for 3d radiotherapy . therefore , it can effectively increase radiation dose to tumor tissues and decease radiation dose to normal tissues 根据几何聚焦原理，将30束钴60伽玛射线通过准直后经一个固定的轴线旋转聚焦，形成品质优良的高剂量区分布，经治疗计划系统的优化，可使高剂量区的剂量分布，在三维方向上和肿瘤的形状一致，从而实现三维适形放射治疗。

Similar Words：

"geometrical error" English translation, "geometrical factor" English translation, "geometrical figure" English translation, "geometrical focal plane" English translation, "geometrical focal range" English translation, "geometrical freeboard" English translation, "geometrical frustration" English translation, "geometrical height" English translation, "geometrical horizon" English translation, "geometrical icons" English translation