哪些食物和水果是感光的？
换上了基因的苍蝇在光线中的磁导航上没有任何问题。这表明，人类的蛋白质仍然能作为感光的磁传感器来起作用。
And the transgenic flies had no problem navigating a magnetic maze when exposed to light-indicating the human protein can still serve as a light-sensitive magnetic sensor.
这种病会逐渐破坏视网膜可以感光的视杆和视锥，但是不会损害视觉神经，视觉神经负责将视网膜神经脉冲传递到大脑。
It gradually destroys the rods and cones that detect light in the retina of the eye. But it does not harm the optic nerve, which transmits electrical impulses from the retina to the brain.
通过以不同波长的光进行测试，研究小组发现，这些鱼的水平细胞在感光性方面比它们的“搭档”锥状细胞要弱上数千倍。
Testing light at different wavelengths, the team found that these fish horizontal cells are thousands of times less light sensitive than their partner cone cells.
在红外线摄影中，数码相机上使用的胶片传感器或图像传感器对红外光感光，能让相机拾取人眼不可见的任何光线。
In infrared photography, the film or image sensor used within a digital camera is sensitive to infrared lighting, which allows the camera to pick up any light that's invisible to the human eye.
如果说你的表意识是一台相机，那么，你的潜意识就是相机的感光板，你将心理映像记录或印在上面。
Your conscious mind is the camera, and your subconscious mind is the sensitive plate on which you register or impress the picture.
它引用的事实是：在眼睛后部视网膜上的感光细胞是大脑的直接延伸。
It exploits the fact that the light-sensitive cells in the retina at the back of the eye are a direct extension of the brain.
在视网膜中也能发现这些感光物质。它们能迅速刺激皮肤黑色素的生成，保护人体不受太阳光线的伤害。
These light receptors - which are also found in the retina of the eye - immediately prompt the release of melanin, the body's own form of sun protection.
剑桥大学组的获奖设计使用内置藻类管和一台感光生物反应器来生产氢气。
The Cambridge team's winning design USES in-built algae tubes and a photo bio-reactor to generate hydrogen.
这个结果也暗示人类有可能接受类似的感光色素而具有猫头鹰的夜视功能或看到紫外线。
The result also hints that perhaps the right kind of photopigment is all that's needed for humans to get owl-like night vision, or to see ultraviolet colours.
视网膜中有一种特殊的感光细胞具有识别颜色的能力。
The ability to see colors comes from specialized light-sensing cells found in the retina.
托米用的相机是尼康D700，14-24mmf/2.8的镜头，感光度在4000-8000之间，曝光时间是25-30秒。
Tommy used a Nikon D700 with a 14-24mm f/2.8 lens, with a high ISO of between 4000-8000 and exposures between 25-30 seconds.
这正是利用了人类视网膜的感光神经与脑细胞之间的直接联系。
It's based on the fact that light-sensitive cells in the retina at the back of the eye are a direct extension of the brain.
当用长曝光拍摄的时候，用一个低的感光度可以减少可能出现的像差。
Using a low ISO setting will help reduce the aberrations that can appear when photographing with long exposures.
气球驾驶员约翰·斯坦纳在宾夕法尼亚州伊利为自己的热气球充气。 图为最古老的飞行器照片，摄于1857年，采用的是四分之一感光底片旧式照相法。
Aeronaut John Steiner inflates his hot air balloon at Erie, Pennsylvania, as seen in the oldest known photograph of an aircraft, a quarter-plate ambrotype taken in June 1857.
夜间摄影与白天摄影受到同样条件的约束——即光圈，快门速度，感光度——不过它对于这些参数的控制都要达到极致。
Night photography is subject to the same set of constraints as daylight photography - namely aperture, shutter speed and light sensitivity - although these are all often pushed to their extremes.
如果需要星光轨迹，那么使用大光圈和较高感光度(ISO 200- 400)就能提高每条轨迹的亮度。
If star trails are desired, using a large aperture and higher sensitivity (ISO 200-400) can enhance the brightness of each streak.
有一个好例子是眼睛中的盲点——视网膜中不含感光细胞的点。
One well-known example of this is the blind spot in the eye, which is a point in the retina which contains no sensory cells.
研究者通过调节镜头和感光元件的曲率，就能产生可放大和聚焦的图像。
Researchers coordinate the curvature of the lens and the detector in order to create an image that is magnified and in-focus.
RPE移植将只能帮助那些仍保留部分可利用感光层的病人，但将来病情更重的病人也可能获益。
RPE transplants would only be helpful for people who still have some photoreceptors left to salvage, but one day even people beyond this stage may benefit.
前幕帘落下，后方的感光元件露出，光线进入相机，曝光开始。
The front curtain drops away, revealing the sensor behind, and allows the light to enter the camera, beginning the exposure.
在所有17种鲨鱼中，最常见的感光细胞是“杆状”细胞，这种细胞对光线非常敏感，可以使鲨鱼具有夜视能力，但这种细胞无法分辨颜色。
In all 17 species, the commonest kind of light receptors were "rod" cells, which are highly sensitive to light and allow night vision but cannot tell colors apart, they found.
关于水平细胞的感光性如何参与视觉成像，还需要对视网膜而非单个细胞进行更多研究。
Learning more about how the light sensitivity of horizontal cells contributes to image vision will require studying whole retinas, not just single cells.
其他的一些改善这个问题的工作包括在传统胶卷上使用超灵敏的化学感光物质，或者对数码相机的光电传感器捕捉到的信号进行放大。
Workarounds include the use of extra-sensitive chemicals in traditional films, or amplification of signals captured by the photoelectronic light sensors of digital cameras.
光圈非常重要，因为它决定你的相机在不同照明条件下拍摄速度有多快，以及拍摄时的感光度(iso)为多少。
This is extremely important, because it determines how fast and at what light sensitivity (ISO) your camera can shoot in different lighting conditions.
今天的相机能够将感光度调到3200并且成像效果很好。
Today's cameras routinely go up to ISO 3200 and deliver great image quality.
在缺乏光线的室内环境中，如果使用高感光度如iso 800进行拍摄，那么你的相机将不再需要太多的光线。
Light is scarce indoors, and at a high sensitivity like ISO 800, your camera doesn't need as much of it.
接着下面是起支持作用的细胞层，叫做视网膜色素上皮(RPE)，它给感光层供给营养并清理其废料。
Underneath is a layer of supporting cells called the retinal pigmented epithelium, or RPE, which nourish the photoreceptors and clean up their waste.
尽管有种种局限性，作为临床试验的一部分，全部30个患者至少都能够体会到在感光程度和感知物体上的变化。
But despite its limitations all 30 of the people who have received the Argus II as part of clinical trials can, at the very least, now see changes in light levels and detect objects.
尽管有种种局限性，作为临床试验的一部分，全部30个患者至少都能够体会到在感光程度和感知物体上的变化。
But despite its limitations all 30 of the people who have received the Argus II as part of clinical trials can, at the very least, now see changes in light levels and detect objects.
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