我国基本比例尺地形图是以国际百万分之一地图分幅为基础，按一定的经差和纬差划分图幅。
Basic scale topographic map is bases on one of million international map subdivision and divided by Longitude difference and Latitude difference.
因此，经真菌处理的木材接近克雷莫纳斯木材的密度差。
As a result, the density differential of the fungi-treated wood approach that of the Cremonese wood.
对19个国家25年（1975—2000）月度数据的拟合效果表明在经汇率调整后的对美国股市收益率差有着较好的拟合结果。
Our empirical results from historical data of 19 countries in 25 years (1975-2000) show that the return differential of equity market has good prediction power for currency crises.
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