Diameter-class
基本解释
- 径级
英汉例句
- 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。 - 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。