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- double focal spot 双焦点
- 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。
- Under the different laser parameters,the electron energy gain depends on the laser intensity,focal spot size and pulse width. 不同激光参量条件下,得到了电子的能量增益与激光强度、焦斑大小和脉冲宽度关系。
- 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。
- Due to optical diffraction limits, the focal spot size is influenced by the incident wavelength and the numerical aperture of a lens. 摘要:由于光学绕射极限的限制，聚焦光点受到入射光波长及透镜数值孔镜的影响。
- Abstract he method of measuring the focal spot size of X-ray source was designed by using a monolithic glass polycapillary X-ray collimator (MGPXRC). 摘要 设计了一种测量X射线光源焦斑尺寸的方法：多毛细管准直器法。
- The centroid position of the focal spot directly depending on intensity distribution and phase slope distribution of near field is derived, and its physical meaning is described. 进一步推导了焦斑质心位置对光束近场强度分布和相位斜率分布的依赖关系式，并对该式清晰的物理意义进行了阐述。
- There are two critical values for outer radius of the inner annular zone, at which focal spot changes sharply.The tunable range of the focal depth is very considerably. 增大内圆环的外半径，焦深沿轴向变大，相位板可以调节光学焦深，并且可调的范围很大。
- Focal spot to image receptor distance 焦点至影像接收器距离
- Investigation of Controlling X-Ray Tube Focal Spot X射线管焦点控制研究
- Centroid position of focal spot of laser beam with aberration 畸变光束的焦斑质心位置
- MISALIGNMENT OF FOCAL SPOT ON TARGET IN MULTI-PASS AMPLIFIER 多程放大器输出焦斑相对于靶的漂移
- He is working double tides to finish his essay. 他日夜苦干，赶写他的文章。
- I do not realize it is a double feature. 我原先不知道这是双片连映。
- Double agents live in a perpetual state of fear. 两面派永远过着提心吊胆的生活。
- I want a double room with a view. 我要一间能看到风景的双人房间。
- He was so fat that he had a double chin. 他胖得有双下巴了。
- The carpet is too thick to double up. 这地毯太厚没法折叠。
- Is the material single width or double width? 这幅料子是单幅的还是双幅的？
- Reserve double room June fourth to tenth inclusive. 预订双人房间，六月四日至十日，共六晚，望订妥复电。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
