十年后，弗朗西斯科·科罗娜北征至现在美国中部得堪萨斯西征至大峡谷。

Ten years later, Francisco Vasquez DE Coronado had marched as far north as the central American state of Kansas and west to the Grand Canyon.

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为了使模型更合理准确和具有经济意义，作者接着以铁矿石运输的典型航线——图巴朗到北仑宝山为例，加入期租市场的影响因素，再次运用误差修正模型拟合。

To get the reasonable and accurate forecasting model, two shipping routes of each of four important ship types:Capsize, Panamax, Suez, VLCC were studied by the method of econometrics.

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