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- Gauss distribution function was utilized to describe the distribution of the mean percentage of the equivalent spherical diameter (BSD) of marine phytoplankton. 本文首先利用显微测微法计确定浮游植物粒径分布的大致范围，并以此为指导，利用库尔特计数法得到浮游植物的粒径分布状况和中值等效球径。
- Because of the abnormity of the bubble shape, the equivalent ellipsoidal diameter was found to be a more appropriate diameter than the equivalent spherical diameter. 由于气泡的不规则性，使用等效椭圆比等效圆来计算面积、体积更能反应真实的气泡情况。
- This lens can magnify 20 diameter. 这个透镜能放大20倍。
- The diameter of the tree-trunk is about 2 meters. 这树干的直径大约是2米。
- 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。
- We must gauge the diameter of wire first. 我们必须先测量电线的直径。
- The oil-lamp needs a new globe, spherical lampshade. 这油灯需配个新的圆灯罩。
- A tube with a very small internal diameter. 毛细管一根内径十分细小的管子
- spherical diameter 球面直径
- equivalent spherical diameter 粒径
- The eye is very nearly spherical in shape, and about an inch in diameter. 眼的形状非常接近球形，直径约一英吋。
- Old World leek with a spherical bulb. 旧大陆的一种带有球形茎的葱。
- A bacterium having a spherical or spheroidal shape. 球菌球形或回转扁椭球体形状的细菌
- Natural sediment particles are not spherical. 天然泥沙颗粒不是球状的。
- He is good at spherical geometry. 他对球面几何学很拿手。
- The Earth is a nearly spherical planet. 地球是一个近似球体的行星。
- Haze water drops would be spherical. 被称为霾的水滴是球形的。
- The pond has a diameter of three hundred metres. 这池塘直径有三百米。
- A circle is bisected by any diameter. 圆被任一直径二等分。
