We do this with eye sight: Nearsightedness could have been fatal for people whose ability to survive depended on spotting dinner off in the distance.
我们就把该愿望付诸于矫正我们的视力：近视眼给依靠在远处发现晚宴的能力而生存的人来说是致命的。
Voice tone, hand gestures, facial expressions, eye contact, posture, even the distance between you, can all send powerful messages.
声调、手势、面部表情，眼神、姿态、甚至于你们之间的距离，可以传递强大的信息。
The distance the wall could be seen depends on the angular resolution of the imaging system (the eye) and the contrast of the wall vs. background.
能看清长城的最远距离取决于成像系统(眼睛)的角度分辨率以及长城与它周围环境的对比度。
Visible from a distance as they marched single file up a footpath toward our meeting place, the group had caught my eye from the very outset of the event.
远远就看到他们排成一列沿着一条人行道向我们的会场走去，我从活动一开始就已经注意到了他们这群人。
When you’re done with the standard exam, ask the eye doctor or an assistant if they can give you your pupil distance.
当你完成常规检查后，询问眼科医生或助手是否可以帮你测量瞳距。
Beyond this distance, some of the detail in the picture can no longer be resolved by the conical receptor cells in the retina of the eye.
超过这个距离，图像中的某些细节已不再能够被眼睛视网膜中的视锥细胞所解析。
The new camera, which USES infrared light that is invisible to the human eye at a distance of three to six feet, is intended to avoid many of these complications and false positives.
这种新型相机利用红外线，3到6英尺(1到2米)的范围内对人眼不可见，从而避免多种物质带来的错误反馈。
It shows that the signal will become bad with the increase of transmission velocity and distance by comparing the wave figure and eye diagram of input and output pulse.
通过比较输入与输出信号脉冲波形和眼图发现，随着传输速率和传输距离的增加输出信号劣化。
Distance vision helps relax your eye muscles, which stops eye fatigue in its tracks.
向远处眺望有助于放松眼部肌肉，从而缓解眼部疲劳。
Eye vergence distance (meters) measurement.
眼聚散度距离(公尺)测量。
Then there is the eye-straining challenge of reading screenfuls of text from 2.4 m to 3.6 m away — the distance most people sit from their TV sets.
再则从2.4米到3.6米远的地方阅读充满屏幕的文字，是个极耗费眼力的挑战——这是一般人坐看电视的距离。
It is a question of focal adjustment, of a certain distance that the inner eye thrills to surmount, and a certain contrast that the mind perceives with a gasp of perverse delight.
这是一个焦点调节的问题，是内在眼睛能颤栗着超越特定距离的问题。
The flickering is so slight that it is imperceptible to the human eye, but the camera on another phone can detect it at a distance of up to ten metres.
这样的闪光很微弱，人眼无法感知，但另一部手机的摄像头能够在十米的范围内检测得到。
For the distance is altered, and it is like a deceit of the eye, that when others come on, they think themselves go back.
因为他们之间的距离有了变化；这正如眼睛造成的错觉，当别人走过来时，他们认为自己后退了。
It happens when a big change in temperature over a small distance bends light rays so they're sent towards the eye rather than bouncing off the surface.
这现象在特定的情况下会发生：短距离间巨大的温差。该温差弯曲光线，以致于光线直奔你的眼底，而不是从物体表面散发出来。
The difference between these two different eye views helps us to judge how far away an object is. People who have only one eye cannot judge distance as people with two eyes.
两只眼睛所看到的景象之间的差异帮助我们判断我们与一个物体的距离，而只有一只眼睛的人就不能像拥有两只眼睛的人一样能够判断距离了。
Effective non-lingual techniques included facial expressions, distance, appearance, eye contact and touch.
有效的非语言性沟通要注意面部表情、距离、仪表、目光和触摸。
When I wear contacts, I use one eye to see distance, and the other to read.
当你戴隐形眼镜时，你是用一只眼看远的事物，另一只眼作阅读。
Faith is like the radar that sees through the fog-the reality of things at a distance that the human eye cannot see.
信仰象透视迷雾的雷达，能够洞悉肉眼难辨的远景。
Length of ear should be the same measurement as the distance from inner base of ear to outer corner of eye.
耳朵的长度应该与耳根内侧到外眼角的距离一致。
(the group was) Visible from a distance as they marched single file up a footpath toward our meeting place, the group had caught my eye from the very outset of the event.
远远就看到他们排成一列沿着一条人行道向我们的会场走去，我从活动一开始就已经注意到了他们这群人。
Place your feet a comfortable distance apart, keep your shoulders pulled back, head up and greet people with direct eye contact and a firm handshake.
双脚保持适当间距，时刻收肩，挺胸抬头，直视着问候对方，握手坚定有力。
From the the mountain top, you will have a bird's eye view of rolling hills, a vast expanse of forest in the distance and beyond, and such wonders as rosy clouds reflecting the moon and the hazy mist.
登顶远眺，数百里群山奔来眼底，浩瀚林海消失天际，时常有彩霞映月、烟雾迷蒙的奇观景象。
Maintain comfortable eye / monitor distance (about 24" for a 14" - 17" monitor). This may vary if you wear prescription glasses - talk with Optician if appropriate.
保持舒适的眼睛/监视器间距（14” –17”监视器时约24”），如果您配带验光眼睛，该距 就可以变化 – 必要时可以与验光师讨论。
If you take a look into the distance you'll see ships big and small either ply to and fro along the river or moor at wharfs, presenting a varied and eye-catching scene.
放眼望去，来自世界各地的大小船只，或往返江中，或泊于岸边，千姿百态，十分壮观。
One major problem the researchers had to overcome was the fact that the human eye, with its minimum focal distance of several centimetres, cannot resolve objects on a contact lens.
研究人员必须解决的一个重要的问题是，人眼的最小焦距是几厘米，无法分辨出隐形眼镜上显示的物体。
One major problem the researchers had to overcome was the fact that the human eye, with its minimum focal distance of several centimetres, cannot resolve objects on a contact lens.
研究人员必须解决的一个重要的问题是，人眼的最小焦距是几厘米，无法分辨出隐形眼镜上显示的物体。
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