此方法可以修正测量透镜焦距忽略透镜厚度所产生的误差。
This method can correct the measurement of the thickness lens focal length lens produced by ignoring the error.
研究了聚焦换能器的优化设计，对透镜厚度及材料的选取进行了分析。
Optimum design of focused transducers is studied, and the selection of thickness of lens and materials is discussed.
透镜的厚度和质量令人印象深刻。
塔顶的菲涅尔透镜。透镜的厚度和质量令人印象深刻。
Fresnel lens on the top. Thickness and quality of the glass are impressive.
厚透镜的会聚性和发散性与其厚度有何关系？
What is the relation between gathering and scattering of thick lens and its thickness?
G5系列提供额外的Z轴的焦点透镜元件的调整，以补偿不同高压光学厚度。
The G5 Series provides additional Z-Axis adjustment of the focus lens cell to compensate for varying High-Pressure Optic Thickness.
同时，利用积分能谱技术对其进行处理，可以识别出薄层的厚度变化及透镜体的存在。
With the technique of integrated energy spectrum processing the complex wave, we may recognize the thickness of thin-layer sand and the existence of lenticular sand.
并分析了温度、透镜曲率半径和油层厚度对探头声场的影响。
The influence of temperature, curvature radius of lens and the thickness of oil on ultrasonic field is analyzed.
讨论超高精度要求的球面曲率半径、透镜中心厚度、球面面形与透镜偏心差等各项指标的综合控制技术与检测方法。
The overall control and test technology for spherical radius of curvature, central thickness, surface accuracy anddecentring error of lenses have been discussed.
焦距长底随透镜的厚度而变化。
焦距长底随透镜的厚度而变化。
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