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[光][电子]焦点，[物]焦斑
1、focal trio───焦点三重奏
2、focal sphear───焦点球
3、focal loss───焦点损失
4、focal───adj.焦点的，在焦点上的；灶的，病灶的
5、spot───adv.准确地；恰好；vt.认出；弄脏；用灯光照射；adj.现场的；现货买卖的；n.地点；斑点；vi.沾上污渍；满是斑点
6、focal length───[光][摄]焦距
7、focal distance───[光][摄]焦距
8、focal points───n.焦点( focal point的名词复数 )；焦点；中心
9、spot dog───斑点狗
1、sizes of focal spot and detector aperture are the factors affecting ct image quality.───焦点及探测器孔径大小是导致CT图象降质的主要因素。
2、Combined with SSD, the new CPP have the better effect for controlling focal spot than the CPP designed by "standard" method.───进一步分析表明，新方法设计的CPP与光谱色散匀滑技术耦合的效果更佳。
3、A new method-axial scanning method (ASM)-is devised to find the position of the focal spot of polycap-illary X-ray lens.───为了高效准确地确定整体X光透镜焦斑位置，设计了一种新方法：轴向扫描法。
4、spot, size depend on the pinhole diaphragm diameter of spatial filter.───光斑尺寸和空间滤波XiTong的ZhenKong光阑直径有关。
5、The size of the lens focal spot from test results proved that the mechanical system meets to the performance requirements of the instrument.───对X光透镜焦斑的测试实验结果证明了该机械XiTong的设计达到了仪器性能指标要求。
6、Objective To improve HIFU focal spot accuracy.───目的：提高HIFU焦斑精度。
7、The focal spot size and the x-ray collection efficiency are important parameters to characterize the performance of the condenser.───聚焦光斑的大小和聚焦效率是衡量旋转椭球聚焦的两个最重要的指标。
8、The excursion of centroid position of focal spot may be easily acquired with the centroid position expression of focal spot.───利用焦斑质心位置表达式，可分析和确定由于振幅调制和相位畸变导致的质心位置偏移。
9、Experimental investigation on focal spot measurement by schlieren method───纹影法测量远场焦斑实验研究
1、Simulation results show that the size of the focal spot increases with the number of color cycles and the basic pulse bandwidth in the dispersing direction.
2、One of the focal spot of marine ecology is the effects of diatom on copepod reproduction, which decreases copepod egg fecundity and hatching success.
3、By infrared thermal imaging techniques in this thesis, the focal spot size and focal length of this dielectric lens antenna are measured.
4、Using this focusing system, the laser microbeam instrument has got the focal spot size of less than 0.
5、The results showed that all the configurations such as response time, the focal spot size, and the depth of focus, etc, have reached the expectation.
6、The X-Ray tube focal spot is obtained by convergence of static field on the electron beams.
7、The focal spot diameters are hardly changed in communication wavelength band . 2.