Economics is precise about the tax that should, in principle, be levied to deal with negative externalities: the tax on a liter of fuel should be equal to the harm caused by using a liter of fuel.
从经济学的角度来看，为了应对负外部性，原则上应该征收的税收是准确的：对一升燃料征收的税应该等于使用一升燃料所造成的危害。
Xu is also the only person in China who has successfully translated poetry to and from Chinese, English and French, in a very precise and beautiful way.
许也是中国唯一一个成功地将诗歌进行中文、英文和法文互译的人，而且翻译得非常精确和优美。
The motion of a pendulum rocks this device so that it catches and then releases each tooth of the escape wheel, in turn allowing it to turn a precise amount.
钟摆的运动使这个装置晃动，如此一来这个装置能抓住擒纵轮的每一个齿，随后又将其释放，因而使其精确转动一段距离。
He has red, freckled skin which accompanied red hair; he was a man of forty, thin, with a pinched face, precise and rather pedantic; and he spoke with a Scots accent in a very low, quiet voice.
他有红色的，带有雀斑的皮肤和红色的头发；他四十岁，身材瘦削，有一张消瘦的脸，不苟言笑、有点迂腐；而且他说话带着苏格兰口音，声音很低、很安静。
That's because creating a precise a flat map of our spherical planet is incredibly hard.
因为设计一幅精确的星球平面地图非常困难。
He said he had exchanged maps with Mr Olmert, though without reaching a precise agreement on a new border.
他表示已经和奥尔默特交换了地图，虽然还没有就新边界如何精确划分上达成一致。
This image, which we call a vision, may be as vague as a dream or as precise as a goal or a mission statement.
这个构想，我们可以称为是一个愿景，也可以是一个模糊的梦想或精确的目标，或是一个使命陈述。
Can you give a more precise definition of the word?
你能给这个词下个更确切的定义吗？
The shelf is about a metre long—well, 98cm, to be precise.
架子长约一米。嗯，精确地说，是98厘米。
A sundial showed very precise time.
日晷上显示的时间非常精确。
The precise configuration of a heat island depends on several factors.
热岛的精确结构取决于几个因素。
This machinery is so precise that a human hair couldn't even pass between the heads and spinning platters, yet it all works in terrific speeds.
这台机器是如此精确，以至于人类的头发甚至不能从头部和旋转的磁盘之间穿过，但它的运转速度却是惊人的。
This meant that some sort of biological clock was operating—and a very precise clock at that.
这意味着某种生物钟正在运作——而且是一个非常精确的生物钟。
Because of these advantages, sedimentary evidence can be dated with sufficient accuracy by radiometric methods to establish a precise chronology of the ice ages.
由于这些优点，可以通过辐射测量方法以足够确定沉积证据的年代，从而建立一个精确的冰河时代年表。
You could say that the Antikythera Mechanism was a very precise calendar, which stands to reasons calendars were very important to ancient peoples.
你可以说，安提基西拉装置是一种非常精确的日历，非常符合日历对古代民族很重要的道理。
Replacement can be a marvelously precise process, so that details of shell ornamentation, tree rings in wood, and delicate structures in bone are accurately preserved.
替换可能是一个令人惊叹的精确过程，因此贝壳纹饰的细节，树木的年轮和骨的微妙结构都被准确地保存。
Instead of using words for precise quantities, these people rely exclusively on terms similar to "a few" or "some."
这些人不使用精确的词语来表示数量，而是只使用类似于 “a few” 或 “some” 的词语。
Measuring emissions is not a precise science, particularly when it comes to issuing surrounding land use.
对排放量的测量并不是一门精确的科学，尤其是涉及到土地使用问题时。
Measuring emissions is not a precise science, particularly when it comes to issues surrounding land use.
测量排放并不是一门精确的科学，尤其是涉及到土地使用的问题。
I figured out a precise schedule and learned how to tell the mixer to skip a batch when the production line stopped.
我基本揣摩出一个比较精确的时间表，并学会了一旦生产线停止，如何让搅拌机跳过一批。
Just below the chromatophores is a layer of cells that reflect light from the environment, and these cells help the octopus create a precise match with the colors that surround them.
色素团下面是一层细胞，它可以反射周围环境的光，这些细胞可以帮助章鱼精确地匹配周围的颜色。
Much of the language used to describe monetary policy, such as "steering the economy to a soft landing" or "a touch on the brakes", makes it sound like a precise science.
有很多用于描述货币政策的词汇，例如“引导经济软着陆”，“触动经济刹车”，使货币政策听起来像是一门精确的科学。
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