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。
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。
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。
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。
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