自动聚焦过程中，聚焦的准确性和抗噪声性能至关重要。
In the focusing procedure, the focusing accuracy and anti-noise capability is crucial.
为了快速准确地获取清晰的SEM显微图像，提出了一种基于图像分析的SEM显微视觉自动聚焦技术。
An automatic focusing technology of SEM image-vision based on image analysis is presented for acquiring distinct SEM images quickly and accurately.
形状不规则的角膜或晶状体会使光线无法在视网膜——眼球背面的感光膜上准确地聚焦。
An irregular shaped cornea or lens prevents light from focusing properly on the retina, the light sensitive surface at the back of the eye.
武警院校在新一轮教学改革中要积极有为，必须首先解决好如何准确定位、区分对象和聚焦岗位的问题。
To be active and promising in the new round teaching reform for armed police academies, the problems of precise positioning, objects distinguishing and post focusing have to be solved at first.
他的眼睛累了，无法准确聚焦。
因此相控阵列能够更加灵活、准确而快速地实现多样化的焦点模式和焦点扫描控制，是非常理想的声束聚焦手段。
So phased array is an ideal applicator that can congregate ultrasound beam and shift the focus more flexibly, rapidly and accurately.
验光师为矫正近视患者的视力所配的眼镜或隐形眼镜能够使光线在进入眼球之前发生折射从而准确地聚焦在眼球背面的视网膜上。
An optometrist can prescribe eyeglasses or contact lenses that correct nearsightedness by bending the visual images that enter the eyes, focusing the images correctly at the back of the eye.
结果①流式细胞术分选后共聚焦显微镜分析技术（PSC）能同时、准确地鉴别不同细胞周期时相的凋亡细胞和非凋亡细胞。
Results Post-sorting confocal (PSC) method could exactly distinguish apoptotic and non-apoptotic cells in the specific cell cycle phases at the same time.
角膜和晶状体的曲率决定了进入眼球的光线能否准确聚焦到视网膜上。
The curvature of the cornea and lens causes light entering the eye to be bent in order to focus it precisely on the retina at the back of the eye.
本发明通过在摇臂的旋转轴结合部设置聚焦伺服用调节器，来上下调节凝聚在光盘记录面的焦点，从而能够准确补偿光盘旋转时产生的光盘记录面的位置变化。
With the focus serve fixed on the rotating shaft to adjust the focus point up and down, it is capable of accurately making up position change of the disk recording area at rotation.
实验结果表明：将所提出的对焦评价算子和搜索算法结合使用， 能够准确实现自动聚焦，准确度达到95%以上。
The results show that the correlation operator with the cooperation of the lean operator can locate the prime focus position accurately, the accuracy is over 95%.
另外由于准直的激光束不存在聚焦问题，输出的图像能够准确投影到曲面上。
In addition, it is because collimated laser beam is free of focusing problem that output image can be projected to curve surface.
聚焦的准确性和抗噪声性能至关重要。
In the focusing procedure, the focusing accuracy and anti-noise capability is crucial.
无论是清色度，准确度及聚焦能力各方面均比传统的FRESNEL透镜高出30%。
Regardless of the color-accuracy and the ability to focus in the traditional FRESNEL than 30% higher than the lens.
无论是清色度，准确度及聚焦能力各方面均比传统的FRESNEL透镜高出30%。
Regardless of the color-accuracy and the ability to focus in the traditional FRESNEL than 30% higher than the lens.
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