详细释义
- 直径
- 径，对径
- 放大倍数，透镜放大的倍数，放大率
- 横断面
n. (名词)
- [C]直径 straight line connecting the center of a circle or sphere
- [C]放大率 a measurement of how many times bigger an object looks, when seen through a microscope
n. (名词)
英英释义
Noun:
-
the length of a straight line passing through the center of a circle and connecting two points on the circumference
-
a straight line connecting the center of a circle with two points on its perimeter (or the center of a sphere with two points on its surface)
双语例句
- 1. This hole was a scant .23 inches in diameter.
- 这个洞眼的直径只有0.23英寸。
来自柯林斯例句
- 2. the diameter of a tree trunk
- 树干的直径
来自《权威词典》
- 3. A diameter passes through the center of a circle.
- 直径从圆心穿过.
来自《简明英汉词典》
- 4. The diameter and the circumference of a circle correlate.
- 圆的直径与圆周有相互关系.
来自《现代英汉综合大词典》
- 5. The axis of a circle is its diameter.
- 圆的轴线是其直径.
来自《简明英汉词典》
- The diameter of the tree-trunk is about 2 meters.
这树干的直径大约是2米。 - We must gauge the diameter of wire first.
我们必须先测量电线的直径。 - The axis of a circle is its diameter.
圆的轴线是其直径。
用作名词 (n.)
- The circle has a diameter of 6 inches.
这个圆直径六英寸。 - This microscope magnifies 20 diameters.
这台显微镜能放大20倍。
用作名词 (n.)
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