英语词汇effective focal spot怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	effective focal spot
释义	effective focal spot 简明释义有效焦点网络释义 1 ?有效焦点 ... 角响应angle response 有效焦点effective focal spot 实际焦点actual focal spot ... 2 ?称为有效焦点焦点与X线束之轴线相互垂直之面所作之投影称为有效焦点(Effective Focal Spot)。有效焦点应予尽量缩小，以使放射线达最大之显明度(Sharpness)，这样才能达到清晰之底片。
随便看	graphics color combination graphics command set graphics compatibility system Graphics,Computer graphics computer graphics context graphics controller graphics coprocessor graphic score graphic screen graphics cursor graphics curve fitting program graphics curve fitting programs graphic database graphics data file graphics data structure graphics debugging graphics device graphics device interface graphics digitizer graphics display graphics display controller graphics display system graphics display terminal graphics drive program

英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。