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以上来源于: WordNet
The spherical model is better-suited when distances are further apart and more accuracy is needed.
当两点之间的距离相隔很远和要求更高的准确度时,需要使用球面模型。
In other cases, a spherical model is used, and the primary distance calculation used is the great-circle distance (see Resources).
在其他情况下使用球面模型,所使用的主要距离计算为大圆弧长(参见参考资料)。
The results showed that the soil nutrient had semi-variance structure in bamboo forest, and most of them were spherical model.
结果表明,毛竹林土壤养分存在半方差结构,多数为球状模型。
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