Take care when stepping on and off the escalator; take extra care if you wear bifocals.

1、

A Monocular Stereo Vision Algorithm Based on Bifocal Imaging

基于双焦成像的单眼立体视觉算法

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2、

If you are both short-sighted and long-sighted, you need bifocal spectacles or contact lenses.

如果你既是近视又是远视，你就需戴双光眼镜或隐形眼镜。

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3、

Depth estimating algorithm and precision analysis of bifocal imaging without principal point calibrating

无标定主点坐标的双焦测距算法及精度研究

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4、

Finally, a bifocal wide angel lens antenna is designed successfully by using Geometric Optics ( GO) method and commercial software MATLAB.

利用几何光学方法结合数学仿真设计软件MATLAB，成功设计出一副双焦广角透镜天线，并给出了设计方法和最终的设计参数。

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5、

Objective: To study the effects of gradual distraction of growing bone ( distraction osteogenesis) with bifocal distraction for segmental mandibular defect.

目的：观察自行研制的转移盘牵引成骨器（bifocal Distraction Osteogenesis）整复山羊下颌骨节段性缺损的治疗效果。

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6、

Bifocal chord of a quadric Attenuation, Scattering, Modeling water surface, Light shafts, Caustics.

二次曲面的两焦点弦衰减，散射，水面建模，光线束，焦散。

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7、

People who wear bifocal glasses know all about how the distorted view they get when looking downwards at the ground.

戴双焦眼镜的人知道往地下看的时候怎么是看到歪曲的景象。

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8、

CFP ( Common Focus Point) imaging technology contains confocal and bifocal version.

CFP成像有共聚焦和双聚焦两种形式。

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9、

Or would you like bifocal with no line this time?

还是这次要不带线双焦点的？

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10、

This paper analyzes the monocular stereo vision algorithm based on bifocal imaging.

对单眼立体视觉的双焦成像算法进行了分析。

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11、

Design of a refractive/ diffractive hybrid infrared bifocal optical system

折射/衍射混合红外双焦光学系统设计

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12、

Manufacture technology of insert of bifocal optical plastic aspherical cylindrical collector

光学双焦非球面圆柱面塑料集光透镜模芯制造技术

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13、

Clinical observation on treatment of heart failures with right ventricular bifocal stimulation

右心室双部位起搏治疗心力衰竭临床观察

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14、

A ceiling constructed with recessed panels. flat-top plastic bifocal

花格平顶由凹形窗格建成的顶部平顶塑料双焦点透镜

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15、

Current methods such as single-focus glasses, bifocal glasses and progressive additional lens are the most widely used for correction of presbyopia.

现阶段老视矫正的主流方式是配戴单焦框架眼镜、双焦框架眼镜和渐变多焦点眼镜。

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16、

Occasionally, children who have crossed eyes may need to have bifocals to help control the crossing.

偶尔有内斜视的孩子会需要双光镜来控制内斜。

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17、

Based on the Collins formula, the propagation expression of astigmatic Cosh-Gaussian beams passing through a bifocal lens system is derived.

基于Collins公式，推导了有像散双曲余弦高斯光束通过双焦透镜系统后的解析传输公式，分析了该光束轴上光强分布和焦移。

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18、

New-Rural-Community Project, Urbanization, and Migrated Population: A Bifocal Perspective of the "Three Rurals" Issue in China

新农村建设、城镇化进程与流动人口问题&我国三农问题的双重视野、双向效应和双轨路径

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19、

I rang the bell, and a geeky, middle-aged man in bifocals stuck his head around the door.

我按响了门铃，一个头上架着变焦眼镜，看起来一付科技痴汉模样的中年男子从门后探出头来。

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20、

Multilevel Feature Detection Algorithm Based on Bifocal Monocular Stereo Vision

基于双焦单目立体视觉的多层次特征检测算法

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