concave surface
- concave surface的基本解释
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(叶片)凹面
- 更多网络例句与concave surface相关的网络例句 [注：此内容来源于网络，仅供参考]
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The third lens group includes a 3rd-group 1st meniscus lens having a concave surface on the image plane, a 3rd-group 1st compound lens formed by joining a 3rd-group 1st negative lens having opposite concave surfaces and a 3rd-group 1st positive lens having opposite convex surfaces, and a 3rd-group 2nd meniscus lens having a convex surface on the image plane side arranged in that order from the screen side toward the image plane side.
第三透镜组包括一个在像平面侧具有凹表面的第3组第一凹凸透镜，一个由具有相对凹面的第3组第一负透镜和一个具有相对凸面的第3组第一正透镜结合的第3组第一组合透镜，和一个在像平面侧具有凸表面的第3组第二凹凸透镜，它们以从屏幕侧到像平面侧的顺序布置。
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The latest experimental results of the focusing perfermance of the compound high-energy X-ray lens is designed with PMMA with the parameters of 40 plano-concave elementary lenses positioned in line with axial symmetry, 200 μm radius of the concave surface, 0.15 nm working wavelength, 0.5 mm geometrical aperture and 8 mm length of the compound lens and 1.3 m focus length, are briefly introduced.
报道了这种新型X射线光学元件聚焦性能的最新实验结果。设计的高能X射线组合透镜为聚甲基丙烯酸甲酯材料，包括40个相同的、顺序排布的平凹折射单元，折射单元的球面半径为200 μm，组合透镜的几何口径约为500 μm，长度约为8 mm，焦距约为1.3 m。简要描述了PMMA材料X射线组合透镜的制作技术和制作过程。并给出了X射线组合透镜聚焦性能测试实验系统和实验条件。
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The surface polished by soft disk is easily to become concave surface under pressure. So soft disk is suitable for curve surface polish.
软盘抛光的抛光面，在石材受压时易屈服成一凹面，适用于弧面型抛光。
- 更多网络解释与concave surface相关的网络解释 [注：此内容来源于网络，仅供参考]
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concave spherical mirror：凹球面反射镜
concave reflection grating 凹面反射光栅 | concave spherical mirror 凹球面反射镜 | concave surface 凹面
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concave spherical mirror：凹球面镜
concave solid cutter | 凹半圆刃整体铣刀 | concave spherical mirror | 凹球面镜 | concave surface | (叶片)凹面
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Concave plane：凹底刨 Concave saw 凹面(圆)锯
Coating surface impact instrument漆膜表面冲击仪 | Concave plane 凹底刨 Concave saw 凹面(圆)锯 | Conveyor输送机