Single age variable stock volume growth model had low coefficient of determination, but it was improved a lot by introducing site index and stand density index in reparameterization.
林龄单因变量的蓄积量生长模型决定系数低，引入地位指数和密度指数再次参数化的生长模型可显著提高模型拟合度。
Almost everyone could stand to get more exercise and eat a more-healthy diet, and the healthy-weight partner can help by being a role model.
几乎每一个人都会认同多运动、多吃健康食品的观念，体重正常的一方可以以身作则来帮助对方。
The applicability of the estimate model of the biomass constructed by remote data and stand condition is limited.
利用遥感数据和林分立地条件构建的生物量估算模型适用范围有限。
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