This means that exposure time can be extremely short even in poorly lit conditions.
这意味着，即使在光线并不足的条件下，曝光时间仍然可以极短。
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。
A long exposure time captured stars in this photo-and the brief balanced light from both a fading moon and a brightening eastern sky.
长时间曝光捕捉到照片中的星星，以及淡出的月亮和明亮的东部天空短暂的平衡光。
A long exposure time captured stars (seen as white flecks in the sky) and the exceptional light in this image.
长时间曝光捕捉到图中的那些星星(空中白色的斑点)和特殊的光。
The long exposure time required for moonlight photography often means that the moon may have moved significantly over the course of the exposure.
夜间摄影需要长时间曝光，这就意味着月亮可能会在曝光期间有很明显的移动。
Usually one can first meter using a larger aperture (so that the metered exposure time is under 30 seconds), then stop down as necessary and multiply the exposure time accordingly.
通常，你可以用大点的光圈测光(这样，测量的曝光时间就在30秒以内)，随后缩小光圈，相应地增加曝光时间。
Photos are unavoidably limited by the trade-off between depth of field, exposure time and image noise.
你必须在景深、曝光时间和噪点之间做出权衡。
You will be exposing both the lightning and the foreground and background when you are taking these pictures. The ambient light will determine your exposure time.
在曝光时你要照顾到闪电和前后景，周边的光线会限制你的曝光时间。
A full moon can be a savior for reducing the required exposure time and allowing for extended depth of field, while a moonless night greatly increases star visibility.
满月可以帮你减少曝光时间、扩大景深，而月光暗淡的夜晚增加了星星的可见度。
Under those conditions photographers shoot with a fast exposure time and small aperture. That makes it impossible to capture faint objects in a dark background, such as stars.
在这种情况下拍摄者会使用很短的快门时间并调小光圈，这样就不可能拍摄到黑色背景上那些很暗的物体，如星星。
The risk of damaging the vehicles increases as the exposure time increases.
飞行器被破坏的危险性随着暴露时间的增大而增加。
When proofing plates, is need to control the vacuum time, exposure time and developing time of PS version.
PS版晒版时，需要控制的时间主要有抽真空时间、曝光时间和显影时间。
Camera lens should be set to infinity with maximum aperture. then point the camera to perseus or neighbour constellations for a5-minute exposure time and try your luck.
将镜头对焦至无限远，对准英仙座或其邻近星座，把光圈调至最大，曝光5分钟，应有收获。
The effect of working parameters on the erosion performance of underwater jet is investigated, such as , simulated depth, stand off distance and exposure time.
试验研究了模拟水深、靶距及冲蚀时间对水下射流性能的影响关系，较全面地揭示了水下射流的特性。
Steering exposure time of a camera through control electron shutter with laser echo pulse is an effective method for inhibiting background noise.
用激光回波脉冲控制电子快门来操纵摄像机的曝光时间，是抑制背景噪声的一种有效方法。
Does this mean that schools have failed? Not necessarily since the differences in achievement may simply be the result of exposure time.
这是不是意味着学校教育的失败？不一定。因为学习效果的差异，仅仅可能是接触时间多少不同的结果。
Objective:To obtain suitable digital radiologic exposure factors of CR and DR by measuring stability of their X-ray tube voltage and exposure time.
目的：通过测试数字成像设备的X线机管电压和曝光时间稳定性，探讨数字成像摄影条件的选择原则。
Results The frequency of micronucleus cells of cooks engaged in barbecue production was higher than that of the control group, and it was related to daily exposure time.
结果观察组肉类烧烤厨师末梢血淋巴细胞微核率高于对照组餐饮服务员，且与每日接触时间有关。
Using ct arouse scanning function control exposure time can get more accurate liver artery issue time.
使用CT的激发扫描功能控制曝光时间能得到更准确的肝动脉期时间。
The RCC placing face features large area and long exposure time, strongly influenced by solar radiation.
碾压混凝土施工的仓面很大，混凝土暴露时间长，受太阳辐射的影响严重。
The chloride ingression in concrete was investigated from some factors, such as exposure time, chloride binding, surrounding temperature, stress and crack condition.
从混凝土暴露时间、胶凝材料吸附作用、环境温度、应力和裂缝状态等方面考察了它们对混凝土中氯离子迁移的影响。
The pacing technology in making the WDM device such as selecting record material, making sure recording geometry and exposure time are analyzed further.
进一步分析该WDM器件制作过程中诸如记录材料选择、写入光路及曝光时序的确定等关键技术环节。
The former can be eliminated by prolonging exposure time and the latter can be inhibited effectively by selecting higher fill factor and adopting amplifying and filtering circuits.
前者可延长曝光时间来消除，后者可通过高填充因子和放大滤波电路予以有效抑制。
Under standard transfection conditions, increasing DNA amount and exposure time of the DNA-liposome complexes with cells resulted in decreased transgene expression.
在标准转染条件下，增加DNA用量和延长细胞暴露时间反而使转染效率下降。
Conclusion the COE might cause lung ventilatory function impairment and lung damage tend to be aggravated with the elongation of the exposure time.
结论提示接触COE可引起肺通气功能减退和呼吸系统的损害，且随工龄延长有加重的趋势。
It is shown that overlaying oxygen barrier layer, appending active diluent monomer and prolonging exposure time are in favor of the photopolymerization of the product.
覆盖防氧膜、添加活性稀释性单体及延长曝光时间有利于其光交联反应的进行。
RESULTS: Exposure time had more effects on the mice learning memory when the product of magnetic field intensity and magnetic exposure time was equal.
结果：恒定磁场强度与磁场暴露时间的乘积相等时，大剂量、短时间暴露比小剂量、长时间暴露对小鼠学习记忆能力的影响要小；
A longer exposure time means less sky covered but a shorter exposure time means we cannot catch smaller or more distant asteroids.
一个比较长的暴光时间意谓着复盖比较少的天空但是一个比较短的暴光时间意味着我们将不能够捕捉到更小或更远的小行星。
The dynamic object should arrive at the view field of the collimator in the camera exposure time to simulate infinity object.
在相机拍照曝光时间内，尺形分辨率板运动至平行光管的视场内，以模拟无限远动态目标。
The dynamic object should arrive at the view field of the collimator in the camera exposure time to simulate infinity object.
在相机拍照曝光时间内，尺形分辨率板运动至平行光管的视场内，以模拟无限远动态目标。
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