1) Raw stem
原径产量
2) diameter yield
径级产量
1.
, heighr and clear-bole height of 310 standard Phyllostachys nidularia in 6,700hm~2 forest of Tongren, Guizhou province, After comparative analysis on correlation coefficient and standard deviation, hypothesis testing on F test and linear regression correlation coefficient, real testing on model, 8 better models were selected, meantime, diameter yield table was obtained.
67万hm~2光箨篌竹的310株标准竹为材料,分别用眉径(D_(om))、竹高(h_0)、枝下高(h_1)3个指标对经济产量(W_1)和生物产量(W_2)进行数学模型拟合,经过相关系数R和标准差S的比较分析,采用F检验和线性回归相关系数的假设检验,并作模型的实际验证,选出8个较优模型,同时得出径级产量表,这将对光箨篌竹的产量预测有重要参考价值。
3) coal output
原煤产量
1.
Survy sampling and forecasting model on coal output of town and village coal mines in China;
全国乡镇煤矿原煤产量抽样调查与预测模型
4) oil production
原油产量
1.
Optimized allocation relation between oil production, investment, cost and oil price in Huabei petroliferous province.;
华北油区原油产量、投资、成本和油价的优化配置关系
6) crude production rate
原油产量
1.
According to the random linearity change trend of crude production rate, using the secondary exponential smoothing predicts the crude production rate.
根据油田原油产量为随机线性变化趋势,采用二次指数平滑方法进行预测。
补充资料：径径
1.不停貌。
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参考词条