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PM    音標拼音: [p'i'ɛm]
相位調制

相位調制

PM
n 1: an examination and dissection of a dead body to determine
cause of death or the changes produced by disease [synonym:
{autopsy}, {necropsy}, {postmortem}, {post-mortem}, {PM},
{postmortem examination}, {post-mortem examination}]
2: a soft silvery metallic element of the rare earth group
having no stable isotope; was discovered in radioactive form
as a fission product of uranium [synonym: {promethium}, {Pm},
{atomic number 61}]
3: the person who holds the position of head of the government
in the United Kingdom [synonym: {Prime Minister}, {PM},
{premier}]
4: modulation of the phase of the carrier wave [synonym: {phase
modulation}, {PM}]



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英文字典中文字典相關資料:
  • AM and PM: What Do They Mean? - timeanddate. com
    AM means before noon This is the 12-hour period from midnight to noon PM means after noon It covers the 12 hours from noon to midnight Using numbers from 1 to 12, followed by am or pm, the 12-hour clock system identifies all 24 hours of the day
  • Buckingham Property Management
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  • AM or a. m. , PM or p. m. : Do I Capitalize AM and PM?
    When emphasizing an exact or precise time, the abbreviations “a m ” and “p m ” are used These two abbreviations stand for the Latin terms “ante meridiem” and “post meridiem,” which literally mean before noon and after noon There are a few generally accepted ways to write these abbreviations in your writing
  • PM - Wikipedia
    PM or pm (also written P M or p m ) is an abbreviation for Latin post meridiem, meaning "after midday" in the 12-hour clock PM or Pm or pm may also refer to: PM Magazine, an American TV news program (1976–1991)
  • What do AM and PM mean? - World Time Clock Map
    In particular, AM stands for ante meridiem, which translates into English as ‘before midday’ Meanwhile, PM is post meridiem and means in English ‘after midday’ These abbreviations are used to identify the time in the 12-hour clock format instead of using 24 hours
  • AM and PM - Meaning, Full Form of AM PM | Relation with 24 . . .
    AM and PM are the abbreviated terms for Ante Meridiem and Post Meridiem respectively While AM represents the time from midnight to 11:59 noon, and PM represents the time from 12 noon to 11:59 midnight
  • What Do AM and PM Mean? Definition, Examples, Facts.
    They are the Latin words used to refer to time The meaning of AM and PM is ‘Ante Meridiem’ and ‘Post Meridiem’, which means before noon or midday We associate P M with the afternoon and evening P M is an abbreviated term for ‘Post Meridiem,’ which implies afternoon or after midday
  • What Do A. M. and P. M. Stand For? - Readers Digest
    The abbreviation p m stands for post meridiem, meaning “after noon” or “after midday ” This applies to all times from 12 p m to 11:59 p m While the origin of the terms can be traced back to
  • PM: Definition, Meaning, and Examples - usdictionary. com
    "PM" can refer to the time after noon, a prime minister, the chemical symbol for promethium, or the act of sending a private message online This small abbreviation carries meaning across timekeeping, politics, science, and digital communication
  • Why We Say a. m. and p. m. and What They Actually Mean
    Turns out, the answer goes back to ancient Rome and the way they watched the sky Quick insight: a m means “ante meridiem” or “before midday ” p m means “post meridiem” or “after midday ” Both come from Latin and track the sun’s position What a m and p m Actually Stand For





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