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极移
1、amphitrichous polar───两性极性
2、polar circle───[数]极圆；[天][测]极圈
3、migration───n.迁移；移民；移动
4、winged migration───有翼迁徙
5、bufflehead migration───巴福尔黑德迁移
6、westward migration───西迁
7、polar beat───极拍
8、bluethroat migration───蓝喉迁徙
9、polar───n.(Polar)人名；(德、西)波拉尔；n.极面；极线；adj.极地的；两极的；正好相反的
1、Then three spotlight mode SAR imaging algorithms are discussed and compared, including polar format (PF) algorithm, chirp scaling (CS) algorithm and range migration (rm) algorithm.───然后重点对三种聚束式SAR成像算法进行了讨论与比较，包括极坐标格式(PF)算法、线性调频测绘(CS)算法和距离走动(RM)算法。
2、It is brought to light that polar migration is one of the causes of crustal movement and earthquake.───计算表明，极移是大规模地壳运动和地震活动的原因之一。
3、Fear of predators doesn't just affect the penguins' daily activities, however. It also influences the birds' migration patterns, Ainley and Ballard report this week in Polar Biology.───Ainley和Ballard在本周的《极地生物学》中指出，害怕被捕食已经影响到企鹅的日常活动，甚至它们的迁徙规律。
4、Carbazoles are polar compounds in oils, and they are useful indicators for study of hydrocarbon migration.───咔唑类化合物是原油中极性较大的化合物，是研究油气运移的有效指标。