To minimise the temperature gradient across the sample, the light aperture in the block is only2.5 mm?.
为了减小样品上的温度梯度，台体上的光孔直径只有2.5毫米。
Long, narrow corridor of the temple, only for him to fight over her flashlight aperture light the way forward.
寺院的走廊长而狭窄，只有她为他打过来的手电筒光圈照耀前路。
So you have these two parameters, shutter speed and aperture size, both of which do essentially the same thing: control how much light gets in.
现在你已经了解了这两个参数——快门速度和光圈大小，他们从本质上来说有同一个功能：控制进入相机的光线总量。
You get the same amount of light with a large aperture and a fast shutter speed as you do with a small aperture and a slow shutter speed.
你使用大光圈以及慢速快门所得到的光和你使用小光圈以及高速快门得到的光是一样多的。
This is not the star's disk you are seeing but the effect of having a circular aperture in your telescope and due to the nature of light.
这不是星星自身的光环，而是由于望远镜的圆形孔径光阑以及光的物理特性造成的。
You set the aperture, which dictates how much light comes into the camera-do you want a nice, shallow depth-of-the-field, or everything in focus?
你设置光圈(用于指定有多少光进入照相机镜头)——你想照一幅漂亮、浅景深或广角的照片吗？
This mode needs a lot of light, and you can't adjust the aperture yourself.
这种模式需要较充足的光线，并且你不能在拍摄的时候调整光圈。
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.
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。
It has a wide-aperture lens to capture as much light as possible, and the technology requires no clunky auto-focus mechanism. It adjusts exposure time automatically.
它的大光圈镜头可以摄入尽可能大的光量，所用技术并不需要笨重的自动对焦系统，曝光时间也是自动调节。
The larger the aperture, the more light it collects and the brighter and clearer the image will be.
孔径越大，它收集的光越多，成像的亮度和清晰度就越好。
The rule is that the smaller the number, the wider the aperture and the more light that can hit the sensor.
规则是数字越小，光圈越大，能到达传感器的光也越多。
The f-stop, otherwise known as the aperture, determines your depth of field (the area in focus) and how much light can pass through the lens to reach the sensor.
f制光圈(或称光圈)决定相机的景深(对焦区域)以及有多少光能通过镜头到达传感器。
In fact, using digital cameras provide default mode, phase opportunities from two aspects of the aperture and shutter speed on the adjustment, in order to make the amount of light, doubled.
实际上，使用数码相机提供的预设模式时，相机会从光圈和快门速度两方面进行调节，以使通光量翻倍。
This will only apply to those using full cameras, but using the widest aperture available to you will ensure the maximum level of light, allowing the majority of focus on the foreground.
这只适用于那些使用全功能相机的人，但是尽可能的使用最大光圈能够确保最大亮度，来让焦点尽量聚焦在前景上。
The aperture refers to the hole in the lens, known as the diaphragm, that lets the light in.
光圈就是镜头里面的一个小洞，就是一块横膈膜一样的东西，好让光线穿过。
The aperture regulates how much light reaches the sensor.
光圈控制进入传感器的光的强弱。
The size of the aperture not only affects how much light reaches the sensor, but also how much of the image is in focus.
光圈的大小不仅影响感光程度，同时还影响在对焦范围的大小。
Since the amount of light reaching the camera is dependent on the aperture, the overall exposure is altered by changes in aperture.
由于光圈控制着进入相机的光线总量，也就是说曝光强弱可以由光圈来控制。
A method is introduced for testing stray light coefficient, vignetting coefficient and image surface uniformity optical system with large aperture and long focal length.
叙述一种用于测试大口径、长焦距光学系统杂光系数、渐晕系数、像面照度均匀性等光学参数的检测方法。
This is a technique called Maximum Aperture, and is done by adjusting the Settings on your digital camera to let more light pass through the lens.
这种技巧称为“最大光圈”，通过调整数码相机设置，让更多光线进入镜头，便可完成。
Each aperture size (referred to as a stop) is marked with a corresponding number that represents half the light of the previous stop.
每一档数字都是比前档减少一半的通孔大小。
The large Hoop Truss Deployable Antenna (HTDA) in the space, with large aperture, light mass, big flexible character and so on, is type flexible multi-contact system.
空间大型环形可展天线具有展开口径大、质量轻、柔性大等特点，是一个典型的多柔体结构。
If the aperture is circular, a circular spot of light appears on the screen.
如果孔是圆形的，那么在屏幕上出现一圆形光斑。
This is because you halved the amount of light being let through the aperture opening, but let in twice as much light by keeping the shutter open longer.
这是因为前一组你用了一半的光圈，而后一组用了一半的快门时间。
From the theory of light diffraction and geometrical optics, aperture diffraction near the focal plane of microscope objectives and imaging on the image plane are studied.
从光的衍射理论和几何成象理论出发，分析研究了显微物镜焦平面附近小孔光栏的衍射和象平面位置上的成象。
Based on the accurate expression of light intensity at transverse plane, the propagation characteristics of monochromatic planar wave diffracted by small circular aperture are analyzed in this paper.
采用横截面上光强的精确表述，分析了单色平面波微小圆孔衍射后，其衍射光束的传输特性。
The spectral behavior of polychromatic spatially fully coherent light diffracted by an annular aperture in the far field is studied.
研究了多色空间完全相干光经过环形光阑衍射后在远场出现的光谱变化，并给出了详细的数值计算结果和具体实例。
Through advanced electronic light control (ELC) function, you can use in indoor applications fixed aperture lens.
通过先进的电子光线控制(elc)的功能，可以在室内应用时使用固定光圈镜头。
To obtain the greatest flash range possible for far-off subjects, he shoots at or near maximum aperture and at a high light sensitivity, either ISO 400 or more rarely 800.
获得为远方的主题可能的最大的闪光范围，他在最大的孔上或附近和在高的光敏性，ISO 400或者更很少800射击。
To obtain the greatest flash range possible for far-off subjects, he shoots at or near maximum aperture and at a high light sensitivity, either ISO 400 or more rarely 800.
获得为远方的主题可能的最大的闪光范围，他在最大的孔上或附近和在高的光敏性，ISO 400或者更很少800射击。
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