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Millimetre

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Millimeter (mm) ke yuniti ya boleele mo Tsamaisong ya Boditšhabatšhaba ya Diyuniti (SI), e e lekanang le seripagare sa metara, e e leng yuniti ya SI ya boleele. Ka jalo, go na le dimilimetara di le sekete mo mitareng. Go na le dimilimetara di le lesome mo sentimetareng. Millimetara e le nngwe e lekana le di-micrometer di le 1 000 kgotsa di-nanometer di le 1 000 000. E re ka inchi e tlhalosiwa semmuso e le dimilimetara di le 25,4 fela, milimetara e lekana le 5⁄127 (≈ 0.03937) ya inchi.

Go tloga ka 1983, metara e ile ya tlhalosiwa e le "bolelele jwa tsela e lesedi le tsamayang ka yone mo lefaufaung ka lobaka lwa nako lwa 1 / 299792458 ya motsotswana". [1]

Mafoko a a sa tlwaelegang

[fetola | Fetola Motswedi]

Tsela e e tlwaelegileng ya go khutshwafatsa milimetara ka Seesemane se se buiwang ke "mil". Seno se ka baka tlhakatlhakano ka gonne kwa United States, "mil" ka tlwaelo e kaya sephatlo sa sentimetara.

matshwao a unicode

[fetola | Fetola Motswedi]

Ka mabaka a go tsamaelana le ditlhaka tsa Se-China, Sejapane le Se-Korea (CJK), Unicode e na le matshwao a:[2]

  • millimetre - U+339C mm SQUARE MM
  • square millimetre - U+339F mm2 SQUARE MM SQUARED
  • cubic millimetre U+33A3 mm3 SQUARE MM CUBED Mo thulaganyong ya go kwala ya Sejapane, matshwao ano a sekwere a dirisediwa go baya matshwao a yuniti ntle le go sokamisa thulaganyo ya matshwao a mokwalo.

Mo molawaneng wa metara, dilekanyo tse dinnye ke di-millimeter. [3]Dithekniki tsa maemo a a kwa godimo di ka nna tsa kgaoganngwa ka 0,5 mm. Di-calliper tsa dijithale gantsi di kgona go bala dikoketsego tse dinnye jaaka 0.01 mm. [4]

Maekerosekoupo a a nang le makhubu a 300 GHz a na le wavelength ya 1 mm. Go dirisa dipalo tse di magareng ga 30 GHz le 300 GHz go fetisa data, go farologana le 300 MHz go ya 3 GHz e e dirisiwang ka tlwaelo mo didirisweng tsa selula, e na le bokgoni jwa go letla dipalo tsa phetiso ya data ya 10 gigabits ka motsotswana. [5]

Bogolo jo bonnye jo leitlho la motho le kgonang go bo bona ke mo e ka nnang 0.02 go ya go 0.04 mm, e e ka nnang bophara jwa moriri o mosesane wa motho.[6]Pampiri ya pampiri gantsi e magareng ga 0.07 mm le 0.18 mm, ka pampiri e e tlwaelegileng ya printer kgotsa pampiri ya go kopisa e ka nna 0.1 mm ka bokima. [7]

  1. "17th General Conference on Weights and Measures (1983), Resolution 1". International Bureau of Weights and Measures. Retrieved 3 December 2013.[1]
  2. "CJK Compatibility" (PDF). unicode.org. Retrieved 3 December 2013.[2]
  3. "How do I read a ruler?". onlineconversion.com. Retrieved 3 December 2013.[3]
  4. "Accuracy of Calipers". TresnaInstrument.com. Retrieved 3 December 2013.[4]
  5. Huang, Kao-Cheng; Wang, Zhaocheng (2011). Millimeter Wave Communication Systems. John Wiley & Sons. ISBN 9781118102756.[5]
  6. "How Small Can the Naked Eye See?". Focus Magazine. Retrieved 3 December 2013.[6]
  7. Sherlis, Juliya (2001). Elert, Glenn (ed.). "Thickness of a piece of paper". The Physics Factbook. Retrieved 2022-01-21