The ban, which has been in effect since 1981, covers more than 80 percent of the U.S. coastline and the outer continental shelf.

这项禁令是1981年生效的。禁令涵盖了美国超过百分之80以上的海岸线和大陆架地区。

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The less the controlling effect of the tectonic, the larger the fractal dimension of the coastline.

当构造分维相对较小则其对该区域海岸线的控制作用相对较弱，而区域海岸线分维相对较大。

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The majority of coastline prognoses only took the Bruun effect into consideration.

UNESCO: World Water Assessment Programme (WWAP)

The research showed that only 25 to 50 per cent of anticipated coastline change in these areas can be predicted using the Bruun effect.

UNESCO: EDUCATION