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- Longer tracheid length，bigger tracheid diameter，thicker tracheid walls，smaller microfibrillar angles are the characteristics of the mature wood compared with those of the juvenite wood. 池杉成熟材的管胞长度、直径、壁厚比幼龄材大，纤丝角小；
- 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。
- Tracheid diameter 管胞直径
- 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。
- A tube with a very small internal diameter. 毛细管一根内径十分细小的管子
- 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。
- Thread, hole patterns and Reticulate smaller catheter and tracheid. 见放射状条纹。See radial stripes.;螺纹、孔纹和网纹导管及管胞较小。
- For the nuclear diameter we have used 18fm. 我们用18fm作为原子核的直径。
- Barringer crater is 1.2km in diameter. 巴林杰陨石坑的直径有1.;2千米。
- Capsule globose, 3 cm in diameter, 3-4-locular. 蒴果球形，直径3厘米，3-4室。
- In blue, the inner hardpoint diameter. 蓝色部分：挂载点内径。
- The pond has a diameter of 2 hundred meters. 这池塘直径有两百米。
- This lakelet was, perhaps, a hundred yards in diameter at its widest part. 这个小湖最宽的地方大概有一百码宽。
- Thickness or diameter, as of sheet metal or wire. 直径，厚度金属板的厚度或线的直径
- It is 36 feet in diameter at the base. 它的根部直径可达36英尺。
- The interior diameter of a hole,tube,or cylinder. 内径洞、管或圆柱体的内径
