focal distance
焦距
常用释义
英式发音
美式发音
基本释义
- 焦距：光学中指从透镜或反射镜的光学中心到其所成的像或反射点的距离。
例句
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1·Based on Lau effect in double grating, the focal distance of lens is measured.根据计量光栅的特点，可以利用双光栅效应测量透镜焦距。
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2·But only with the right focal distance and correct aperture could we get the true pictures.只有我们调对了焦距，对准了光圈，才有可能得到真实的图像。
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3·This may avoid remedy mistake because of the actual different focal distance brings from AS function.这样可以避免AS功能启动是由于实际的焦距不同带来的矫正错误。
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4·The authors have reported two methods for measuring the efficient focal distance of the laser rod lenses.提出几种计算和测量激光棒负透镜等效焦距的方法。
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5·Conjugate method is an accurate, simple and convenient method to measure the focal distance of thin convex lens.共轭法是一种较为准确和简便的测量薄透镜焦距的方法。
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6·Here the focal distance and both eyes parallax are absolute values which was measured by highly efficient sensor in one's eyes.这就是我们两个眼球所测量得到的焦距和视差的绝对值。
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7·An experimental investigation of the combination of a long focal distance Bragg-Fresnel lens with a bimorph mirror is described.描述了对长焦距布拉格-菲涅耳透镜与可变曲率半径反射镜组合所做的实验研究。
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8·In measuring the focal distance of lens, the experimental accuracy is often affected by the poor quality in the formation of images.在测量透镜焦距时，往往由于成像质量差而影响实验的精度。
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9·The picture would become clear lucidity while only adjusting good focal distance, this embodied the strength that the concentration has.只有调整好焦距时，图像才会变得清晰明朗，这就体现了集中所具有的力量。
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10·From the focal distance formula of thin lens, the convergence and divergence nature of each kind of thin lens are discussed in different media.从薄透镜的焦距公式出发，讨论了各种透镜在不同介质中的会聚与发散性质。