用单因素指数模型模拟洱海流域农田土壤氮素矿化拟合度很高，效果较好。
By using one-pool model to simulate the mineralized process in soils in Erhai Lake basin, the effect was relatively good with a high goodness-of-fit.
目的：探讨影响乳腺癌脑转移放射治疗预后的因素并建立预后指数模型。
Purpose:To identify the prognostic predictors a nd to establish a prognostic index model for breast cancer patients with brain metastasis(BM) after irradiation.
随后夏普建立了资本资产定价模型和单指数模型，罗斯等人建立了套利定价多因素模型。
Subsequently sharpe raised the single index model and capital asset pricing model Ross founded the multifactor model.
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