the speed of light也可以解读为“光所拥有的速度”，这就如同the speed of water, the speed of a car一样的结构。此时， the speed of light=light's speed。对“光所拥有的速度”the speed of light, the与speed耦合更紧密一些，而对“神话光速”，speed与light更紧密。将“光所拥有的速度”视为像车速...
A. value B. number C. amount D. figure 相关知识点: 试题来源: 解析 A。“value”有“数值;价值”的意思,“constant value”表示“恒定值”,在描述光速时常用“constant value”,A 选项符合。“number”侧重于数字;“amount”常指数量;“figure”更多指数字或图形,均不符合描述光速是恒定值的语境。反馈...
解析 1% the speed of light 结果一 题目 英语中 百分之几 后面要加 OF么? 比如光速的百分之1. 是1% the speed of light 还是 1% of the speed of 答案 1% the speed of light相关推荐 1英语中 百分之几 后面要加 OF么? 比如光速的百分之1. 是1% the speed of light 还是 1% of the speed of ...
The speed of light的读法为the (speed of light)。“光速"是短语名词，该短语名词按字面意义足够"定"（definite)，所以前面加了定冠词the。A speed of 5km/h的读法为(a speed) of (5 km/h), 也就是 a speed是5 km/h的同位语。5 km/h按理说足够definite，不过所有数值物理量都是definite。我们知道de...
The formula for the speed c of light in the vacuum is obtained from c=1/渭00, where 渭0 is the permeability of the vacuum. The formula for c is shown to depend on the number NL of lepton families. The calculated value of c agrees with the defined value when NL=2.92....
Rømer used his observations to estimate the speed of light. Since the size of the solar system and Earth's orbit wasn't yet accurately known, argued a 1998 paper in theAmerican Journal of Physics, he was a bit off. But at last, scientists had a number to work with. Rømer's calc...
speed of light- the speed at which light travels in a vacuum; the constancy and universality of the speed of light is recognized by defining it to be exactly 299,792,458 meters per second light speed,c constant- a number representing a quantity assumed to have a fixed value in a specifie...
A体裁话题词数正确率说明文光速357/4The speed of light is often called a “constant". New experiments show that may not be true, even within a vacuum.Sometimes, light slows a bit.! The new research is “very impressive work", Robert Boyd said. “It's the sort of thing that's so obvi...
What is the speed of light in a vacuum? A. 300,000 kilometers per second. B. 200,000 kilometers per second. C. 100,000 kilometers per second. D. 400,000 kilometers per second. 相关知识点: 试题来源: 解析 A。本题考查科普知识,光在真空中的速度是 30 万千米每秒。其他选项的速度都...
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