Mississippi is the world's fourth longest river and longest in North America, with the most extensive area and the largest water.

世界第四长河，也是北美洲流 程最长、流域面积最广、水量 最大的河流。

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Since 1987, late rice is planted in extensive area. The meteorological factors influencing the variation of grain yield per unit area from 1987 on differ obviously with those before 1987.

1987年大面积种植单季晚稻以来，影响粮食单位面积产量变化的气象条件与1987年之前有着明显的差异。

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The intensity and range of extensive area of plastic points, which centralizes in the upper soil layers, of foundation reinforced by short piles is similar with those of natural foundation.

短桩加固地基与天然地基具有相似的塑性开展强度及范围，且集中在上部土层。

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"Significant ground scraping and landscaping have been undertaken over an extensive area at and around the location, with new dirt roads established, " the report said.

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However, he added: "That fell within a 5km radius which is an extensive area and, if you know the area and the topography around the Ulster Hospital, it is significant and it covers a wide scope in terms of the general nature of the terrain".

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One 800 Mhz cell site can propagate a signal across an extensive geographic area.

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