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- diameter class distribution 径阶分布
- In order to forecast accurately height of each diameter class of poplar in Jiangsu Province,the quadric parabola function with five parameters was established. 用江苏省杨树解析木编制了杨树标准树高曲线模型,该模型引入了适宜的林分控制因子(树龄和地位指数),是具有统计学意义的树高曲线模型。
- The DBH class distribution of the arbor tree species shows all obvious pyramid type. 生活型组成则以高位芽植物占显著优势(72.;1%25)。
- We call those class labels as majority class leaf nodes whose percentage of any class distribution is large than the assumed threshold value. 即当一个叶子节点的类别分布中某一个类别分布大于指定的阈值时(如0.;51),我们就把这个类别称为大多数类,相应的叶子节点就称为大多数类叶子节点,其它的类别称为少数类。
- Study on Estimation of Stand Diameter Class Volume and Merchant Volume 林分径阶蓄积量与材种出材量测算的研究
- This lens can magnify 20 diameter. 这个透镜能放大20倍。
- Kindly send us two samples of each class quote for. 报价时,请对每一个等级的各寄两个样品。
- The diameter of the tree-trunk is about 2 meters. 这树干的直径大约是2米。
- The average age of the boys in this class is fifteen. 本班男生的平均年龄是十五岁。
- Henry is nowhere when it comes to the race for class president. 亨利在竞选级长中被远远抛在后面。
- The axis of a circle is its diameter. 圆的轴线是其直径。
- Measure the diameter of this circle. 量一下这圆的直径。
- She got cold feet when asked to recite in class. 当她被叫起来在班上背诵时害怕了。
- We must gauge the diameter of wire first. 我们必须先测量电线的直径。
- She was kept in for an hour for talking in class. 她因上课说话被罚留校一小时。
- The students in our class number thirty. 我班总共有三十名学生。
- A tube with a very small internal diameter. 毛细管一根内径十分细小的管子
- I was out and away the handsomest man in the class. 我是当时全班最帅的男子汉。
- Soon I dropped behind the rest of the class. 不久我就落在班上其他同志后面了。
- Pele was in a class of his own as a footballer. 贝利是举世无双的足球健将。