18. A new technique is described in this paper for the star detection on daytime cloudlesssky background which allows the hybrid methods of spectral filtering and polarization.
本文描述了一个在白天无云天空背景下同时应用光谱滤波法和偏振技术对星体进行探测的新方法。
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19. She added that the best time to see the stars will be earlier in the evening with a mostly cloudlesssky but a warmer front is moving up from the south and that could affect the view.
她补充说,观星最好的时间当属天刚擦黑、几乎无云的时候。但是来自南方的暖前锋会影响视界。
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20. There were swallows in the cloudless blue sky.
燕子在无云的蓝天上飞翔。
《柯林斯英汉双解大词典》
21. A cloudless, deep-blue sky looked down on them, for the wind had driven away every little cloud in the night.
万里无云,湛蓝的天空俯视着他们,风把夜晚的每一片云彩都吹走了。
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22. The sun shone brightly in the cloudless blue Wabash, Indiana, sky.
印第安纳州沃巴什县晴空万里的蓝天上,太阳光芒四射地照耀着。
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23. But when he'd looked up the sky was cloudless.
但是抬头看,天上晴空万里。
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24. Not so in winter, yet the bare trees against the backdrop of a cloudless blue sky, punctuated by vultures riding the thermals, provided a stark beauty all of its own.
25. It was a cold autumn day with a cloudless, hazy sky and a yellow sun that no longer gave off any heat, the kind you can look at directly without hurting your eyes.
26. It was a cold autumn day with a cloudless, hazy sky and a yellow sun that no longer gave off any heat, the kind you can look at directly without hurting your eyes.