In 2007, aboard the German research vessel Polarstern, Gioia again observed the PCB plume some 400 kilometers off the West African coast.
2007年，在德国的一艘叫Polarstern的勘测船上，骄雅在离非洲西海岸400公里的地方再一次测查到了氯联苯烟雾。
More to the point, though, is that as Polarstern pursued its mission during the summers of 2002 and 2005, the rate at which new isopod species were discovered did not decline.
更能说明问题的是，尽管极地号是在2002年夏天到2005年夏天这段时间执行的任务，但发现新等足类动物的速率在这之后并没有下降。
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