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aperture
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*['æpә,tjuә]\nn. 孔, 缝隙, 孔径\n【计】 窗孔; 小孔\n【医】 口, 孔
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详细解释：
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以下为句子列表：
英文: A simply and analytical formula of the axial light intensity distribution behind a circular aperture is derived by using the Helmhotz-Kirchhoff integral theorem and the Kirchhoff's boundary conditions.It is studied the nonparaxial on-axis intensity distri
中文: 用亥姆霍兹-基尔霍夫积分定理和基尔霍夫边界条件,推导出了平面波经小圆孔非傍轴衍射时轴上强度的简单解析表达式,研究了平面波经小圆孔后整个衍射空间非傍轴的轴上光强分布.给出了计算圆孔菲涅尔数的精确公式,重新检查了通常的菲涅尔数公式的有效性.数值计算显示,应用解析表达式所得的结果与应用衍射积分公式所得的结果完全一致.
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英文: A system structure for real-time subaperture processing is presented.
中文: 针对子孔径处理方法，提出了一种实时处理系统的结构。
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英文: A wider stomatal aperture of rice variety proved to be a desirable agronomic character for high yielding.
中文: 已证明气孔较大的水稻品种是理想的高产农学性状。
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英文: Abstract: It is proved that a small circular aperture has the positive and minus focal distances,and the research experiments for small aperture glasses are introduced concisely.
中文: 文摘:提出了证明小圆孔具有正、负焦距的一种方法，简要地介绍了关于小孔眼镜的实验研究.
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英文: A laser scanning confocal microscope that utilizes a single-mode optical fiber as both the source and the datection aperture is described.
中文: 本文探讨一种使用单模光纤同时作为点源与点探测器的激光共焦扫描显微系统。
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