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The image shows the Milky Way as a bright, horizontal band through the centre with "streamers" of cold dust extending above and below.
这张图像显示出银河系似一个明亮的横带,经由其中心与冷尘埃的飘带相连,并向其上方和下方延伸。
Based on the analysis of spatial harmonics of periodically slotted structure the method for extending operation frequency-band through suppressing higher-order harmonics is discussed.
基于周期性槽孔结构的空间谐波的分析,讨论了抑制高次谐波以拓展使用频带的方法。
Not all flexible rapiers require guides mounted in the sley. More and more rapier loom makers are directing the flexible rapier band through a fixed housing on the loom frame just outside the reed.
并不是所有的挠性剑杆都需要装在筘座上的导剑片,越来越多的织机生产厂家在钢筘外的机架上安装托架以引导剑杆带。
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