Most of the energy is lost through heat loss through the reactor's wall or through the re-radiation of sunlight back through the device's aperture.
而大多的能量都通过反应器壁的热耗散，或者通过装置开孔的太阳光再发散损失掉了。
If Keck can see back in time, imagine what the biggest telescope in the world, the Great Canary telescope, can pick up with its chart-topping aperture.
如果说凯克能回溯时光，世界上最大的望远镜——大加纳利望远镜拥有最为强大的物镜，又具有什么样的能力呢？
Usually at the back of the stone on drop a few drops of ink, such as ink one soon, namely that exist within the stone loose particles or aperture, stone material quality is bad.
通常在石材的背面滴上一小滴墨水，如墨水很快四处分散浸出，即表明石材内部颗粒松动或存在缝隙，石材质量不好；
The beam then arcs circumferential ly back to a negatively charged high energy flux aperture.
然后光束沿着四周成弧状折回一个充满负电的主能量通行孔径。
The beam then arcs circumferentially back to a negatively charged high energy flux aperture.
然后能量束转回带负电荷的高能流动孔。
In ideal circumstances, the back scattered echo signal of SAR is chirp signal. With synthetic aperture theory, high azimuth resolution imaging to distant targets can be attained.
理想情况下，SAR回波多普勒信号是线性调频信号，采用合成孔径原理提高方位向成像分辨率。
That also allowed to create a huge aperture on the back facade that permitted to increase the integration between inside and outside very nicely.
这还允许在背面创建一个巨大的开口，增加内外部之间的良好整合。
When beginner underwater photographers hear terms like aperture, shutter speed or ISO they tend to freeze up and want to go back to auto mode.
当水下摄影新人听到诸如光圈、快门或者是ISO等等术语的时候，就会不知所措的要退回去使用自动模式。
In this paper, we propose a new algorithm based on sub-aperture and filtered back-projection algorithm to estimate the anisotropy of objects scattering centers in wide-aperture imaging.
介绍了由投影重建图像的基本原理，对扇束滤波反投影重建算法进行了分析，并针对该算法的特点提出了一种提高算法求解速度的方法。
In this paper, we propose a new algorithm based on sub-aperture and filtered back-projection algorithm to estimate the anisotropy of objects scattering centers in wide-aperture imaging.
介绍了由投影重建图像的基本原理，对扇束滤波反投影重建算法进行了分析，并针对该算法的特点提出了一种提高算法求解速度的方法。
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