结果表明，海伦黑土全碳、碱解氮和速效钾半变量函数曲线的理论模型符合高斯模型，速效磷的理论最佳模型为球状模型。
The results indicated that the semivariogram of total C , available N and available K were best described by the Gaussian model, while available P was best fitted by the Spherical model.
地统计学的基础理论与方法主要包括：区域化变量、半方差函数、克立格空间插值技术。
The geostatistics's basic theories and techniques include the regionalized variables, the semivariance function and Kriging Interpolation.
本文研究半参数变量含误差函数关系模型。
In this paper, a kind of semiparametric errors-in-variables functional relationship model is studied.
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