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- 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。
- perforation diameter 穿孔直径
- A tube with a very small internal diameter. 毛细管一根内径十分细小的管子
- big perforation diameter 大孔径
- A perforation,as in a punched card or paper tape. 在穿孔卡片或纸带上穿孔的一种动作。
- A perforation, as in a punched card or paper tape. 在穿孔卡片或纸带上穿孔的一种动作。
- An ornament inserted into a perforation in the lip. 唇饰穿在唇上的孔里的一种饰物
- This prevents bowel perforation. 这样可以防止肠道穿孔。
- The pond has a diameter of three hundred metres. 这池塘直径有三百米。
- The acute Perforation has developed. 发生急性穿孔。
- A circle is bisected by any diameter. 圆被任一直径二等分。
- A mark or a perforation indicating canceling. 取消记号表示取削的标记或孔洞
- The perforation in tectum is clear. 覆盖层不连续,有小穿孔。
- The perfor mance indexes thereof are tested. 检测了该醇酸树脂的各项性能。
- For the nuclear diameter we have used 18fm. 我们用18fm作为原子核的直径。
- Mesh sizes 16 and 32 are perforation cartridges. 网孔规格尺寸16和32是穿孔筒。