diameter
英 [daɪ'æmɪtə]
美[daɪ'æmɪtɚ]
- n. 直径
词态变化
复数: diameters;
中文词源
diameter 直径
dia-, 穿过。-meter, 测量。用于数学名词直径。
英英释意
- 1. the length of a straight line passing through the center of a circle and connecting two points on the circumference
- 2. 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)
英文词源
- diameter (n.)
- late 14c., from Old French diametre, from Latin diametrus, from Greek diametros (gramme) "diagonal of a circle," from dia- "across, through" (see dia-) + metron "a measure" (see meter (n.2)).
实用场景例句
- the diameter of a tree trunk
- 树干的直径
牛津词典
- The dome is 42.3 metres in diameter .
- 这个穹顶直径为42.3米。
牛津词典
- a lens magnifying 300 diameters (= making sth look 300 times larger than it really is)
- 放大 300 倍的透镜
牛津词典
- ...a tube less than a fifth of the diameter of a human hair.
- 直径不足人的头发直径1/5的电子管
柯林斯高阶英语词典
- ...a length of 22-mm diameter steel pipe.
- 一段直径为 22 毫米的钢管
柯林斯高阶英语词典
- Because the spacesuit protection only 1 mm in diameter, about the impact of space debris.
- 因为航天服只能防护直径在1毫米左右的空间碎片撞击.
期刊摘选
- MAIN BEARING JOURNAL DIAMETER ( CRANKSHAFT REMOVED )
- 主轴承颈部直径 ( 曲轴已卸去 )
期刊摘选
- Large diameter drilling piles have been extensively used in foundation engineering.
- 大直径钻孔灌注桩在基础工程中的应用非常广泛.
期刊摘选
- It's grinding, parabolic, research disk diameter than the domestic similar products.
- 该机的磨 、 抛 、 研盘直径均大于国内同类产品.
期刊摘选
- The process of hydrostatic pressure experiment also has diameter deroppilation.
- 在静水压实验工序中还包括有通径.
期刊摘选
- It is also suitable for carbon arc gouging using up to 10 mm diameter carbon electrodes.
- 即使使用直径高达10毫米的碳棒进行碳弧气刨,这款焊接电源也能应对自如.
期刊摘选
- We made the Czochralski silicon single crystal with a diameter of 12 inches.
- 直径12英寸直拉单晶硅研制成功.
期刊摘选
- Axial pullout of the screws is determined by the diameter of the screw.
- 螺钉的轴向拔出力由螺钉外径决定.
期刊摘选
- Only l .22 meters in diameter.
- 直径只有1.22米.
期刊摘选
- The length of the flagella is about 1.5 times as the cell diameter.
- 两条鞭毛稍不等长,着生于细胞前端,鞭毛长约为细胞直径的1.倍.
期刊摘选
- A printing plate and diameter varies by Rotary cylinder is connected to a variety of sizes.
- 印版与直径各不不异反转展转圆筒拆开以获百般尺寸图案.
期刊摘选
- Construction expense and operation cost of brine transportation pipeline is of certain functional relation with diameter.
- 输卤管道的建设费用、运行成本,与管径存在一定的函数关系.
期刊摘选
- The axis of a circle is its diameter.
- 圆的轴线是其直径.
《简明英汉词典》
- The scientists track the speed of growth through tree diameter.
- 科学家们通过树木的直径来描绘它们的生长速度.
期刊摘选
- For the nuclear diameter we have used 18 fm.
- 我们用18fm作为原子核的直径.
辞典例句
- The elimination of measures: the right to the manufacturers Advisory impeller diameter.
- 消除措施: 向厂家咨询正确的叶轮直径.
期刊摘选
- Pellet diameter and its distribution are the most important index of pellet quality.
- 球团粒径及其分布是衡量球团矿质量的重要指标.
期刊摘选
- It is a stainless steel tube about 2 cm in diameter.
- 它是直径约2厘米的不锈钢管.
辞典例句
- A paraboloid grid shell with a diameter of 40 m is used for the parameter study.
- 索撑网壳是一种新型的空间结构形式,主要应用于大跨度玻璃采光顶结构中.
期刊摘选
- These cysts are rarely more than a few centimeters in diameter.
- 这些囊肿的直径一般不大于几厘米.
期刊摘选
- Screw of big length to diameter ratio, uniform plasticization and high plasticizing capability.
- 大长径比螺杆 、 塑化均匀、塑化能力特高.
期刊摘选
- The process a diameter of 100 nanometers a length of up to 30 microns.
- 这种工艺做出的纳米电极直径为100纳米,长度为30微米.
期刊摘选
- The circle has a diameter of 6 inches.
- 这个圆直径六英寸.
《简明英汉词典》
- The diameter and the circumference of a circle correlate.
- 圆的直径与圆周有相互关系.
《现代英汉综合大词典》
- A diameter passes through the center of a circle.
- 直径从圆心穿过.
《简明英汉词典》