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- Three conditions of road width were simulated and the drivers' heart rate, pupillary diameter, subjective driving load, driving velocity, numbers of scrape and crash were recorded. 实验模拟了三种路面宽度的驾驶条件，考察了司机在行车中的心率、瞳孔直径、主观驾驶负荷、驾驶速度、蹭车以及撞车次数。
- 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。
- pupillary diameter 瞳孔直径
- A tube with a very small internal diameter. 毛细管一根内径十分细小的管子
- increase in pupillary diameter 瞳孔直径增加
- C. O erve pupillary re o e of both eyes. 观察双眼瞳孔反应。
- Observe pupillary response of both eyes. 观察双眼瞳孔反应。
- C. Observe pupillary response of both eyes. 观察两眼瞳孔反应。
- 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。
- 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。
