| 单词 | scientific notation |
| 释义 | scientific notation noun[U] mathematicsspecializeduk/saɪənˌtɪf.ɪk nəʊˈteɪ.ʃən/us/saɪənˌtɪf.ɪk noʊˈteɪ.ʃən/a way of writing verylargeor verysmallnumbersby putting onenumberbefore thedecimalpoint, thenmultiplyingby apowerof 10, e.g. 3.6 x 10³ 科学计数法Numbers generally
scientific notation| American Dictionaryscientific notation noun[U] us/ˌsɑɪ·ənˈtɪf·ɪk noʊˈteɪ·ʃən/mathematics,science a way of writing verylargeor verysmallnumbersbymultiplyingpowerof 10 and anumberbetween 1 and 10: 3.6 x 10³ Examplesofscientific notationscientific notation Scientificnotationwas created to handle very small and very large numbers. From Wikipedia  This example is from Wikipedia and may be reused under a CC BY-SA license.New topics sometimes includescientificnotation, concepts with negative numbers, and more advanced geometry. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Exponentiation with base 10 is used inscientificnotationto denote large or small numbers. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.There is currently no satisfactory solution to this problem of notation without resorting to the use ofscientificnotation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Scientificnotationmay be used as an alternative to the radix point. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.However, megagram (and gigagram, teragram, etc.) are rarely used; tonnes (and kilotonnes, megatonnes, etc.) orscientificnotationare used instead. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.A number written inscientificnotationhas a significand (sometime called a mantissa) multiplied by a power of ten. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Decimal fractions can also be expressed usingscientificnotationwith negative exponents, such as, which represents 0.0000006023. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Scientificnotationhas a number of useful properties and is commonly used in calculators and by scientists, mathematicians and engineers. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.It can be written inscientificnotationas (exponential notation), meaning. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.These numbers are stored internally in a format equivalent toscientificnotation, typically in binary but sometimes in decimal. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Engineering notation can be viewed as base-1000scientificnotation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Inscientificnotation, this is. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.It displays only inscientificnotation, with a five digit mantissa and a two digit exponent, although a sixth digit of the mantissa was stored internally. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.The kilosecond and megasecond also have some use, though for these and longer times one usually uses eitherscientificnotationor minutes, hours, and so on. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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