Distribution of sand dollars on the sea floor on the inner continental shelf off the northern Oregon and southern Washington
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Two 21-day field operations were conducted in 1997 and 1998 in the estuaries and on the inner continental shelf off the northern Oregon and southern Washington coast....
1997年与1998年，科研团队在俄勒冈州北部及华盛顿州南部沿岸外的河口区域与内大陆架（inner continental shelf）海域开展了两次为期21天的野外调查作业……
