无焦冲天炉有很多优势，但也有致命弱点。
The cokeless cupolas had many superiority, but a fatal weakness.
无焦非球面系统是激光发射系统采用的主要结构之一。
The unfocused aspherical surface system is one of the main structure of large emiting system.
计算了一个非球面非共轴无焦系统的波动光学传递函数。
The Optical Transfer Function of an afocal aspherical and non-coaxial optical system is also calculated.
溶解性：水里完全溶解，允许有轻微浑浊，有少量悬浮，无焦屑等异物。
Solubility: Completely dissolved in water, to allow a slight turbidity, No coke, and other eyewinkers.
数字式激光平面干涉仪是用于测量光学元件面形和无焦光学系统波像差的光学仪器。
Digital laser plane interferometer is used to measure the surface of optical components and the wavefront aberration of non-confocal optical system.
该方法借助一个焦距较长的凸透镜与被测凹透镜组成无焦系统，可以使准直管出射光束的张角发生改变；
Firstly, a telescope system is made up with a concave lens and a long-focus convex lens, by which the angle of the parallel beam from the collimator can be change.
他皮肤很好，面颊红润，眼睛深蓝，鼻梁上架着一副无框双焦眼镜。
He had beautiful skin, with rosy cheeks, blue eyes, rimless round bifocal spectacles, resting on the tip of his nose.
还指出仅当柱面或平面光栅时，才能形成二阶子午无离焦平场和弧矢无象散圆场谱面。
It is also shown that only when the gratings are cylinder or plane ones, the second order sagittal anastigmatic circular field and meridional non defocus flat field spectral images can be formed.
通过焦家深部金矿床和浅部金矿床对比研究，揭示了新的金矿成矿规律：浅部金矿床和深部金矿床之间为无矿间隔或弱矿化带；
Some new gold metallogenic law be revealed by comparative study for shallow and deep gold deposits. There is ore-free interval or weak mineralized zone between shallow and deep gold deposit.
采用光的矢量衍射理论 ，研究了场振幅为高斯分布的平面波入射到无球差高数值孔径物镜上 ，折射率失配对共焦显微术的影响 ，并进行数值模拟。
We considered intensity distribution of light focused by a high numerical aperture lens without spherical aberration through a planar interface between materials of mismatch refractive index.
当离焦量为零时，干涉图上或者无条纹，或者条纹有确定的方向。
In the interferogram the fringes either do not appear or appear and have the determined direction when the defocusing is zero.
当离焦量为零时，干涉图上或者无条纹，或者条纹有确定的方向。
In the interferogram the fringes either do not appear or appear and have the determined direction when the defocusing is zero.
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