Leej twg yog tus ua luam dej zoo tshaj txhua lub sijhawm?

Cov txheej txheem:

Leej twg yog tus ua luam dej zoo tshaj txhua lub sijhawm?
Leej twg yog tus ua luam dej zoo tshaj txhua lub sijhawm?
Anonim

Top 10 Swimmers Txhua Lub Sijhawm

  • Mark Spitz, yug xyoo 1950. …
  • Michael Phelps, yug xyoo 1985. …
  • Aleksandr Popov, yug xyoo 1971. …
  • Pieter van den Hoogenband, yug xyoo 1978. …
  • Johnny Weissmuller, yug xyoo 1904 –tuag xyoo 1984. …
  • Grant Hackett, yug xyoo 1980. …
  • Krisztina Egerszegi, yug xyoo 1974. …
  • Debbie Meyer, yug xyoo 1952.

Leej twg yog tus txiv neej ua luam dej zoo tshaj plaws txhua lub sijhawm?

Gold Medal-Winning Times

Caeleb Dressel, Tebchaws Asmeskas tus txiv neej ua luam dej zoo tshaj plaws txij li Phelps, tuav lub sijhawm luv luv ntiaj teb cov ntaub ntawv hauv 50 ntawm 20.24 vib nas this thiab cov ntaub ntawv kawm ntev ntev ntawm tus kheej zoo tshaj plaws ntawm 21.04, cov ntaub ntawv Asmeskas.

Leej twg yog tus ua luam dej thib 1 hauv ntiaj teb?

Nrog nws yeej xyoo 2016, Michael Phelps (United States) tam sim no tuav tag nrho cov ntaub ntawv nrog yim lub npe. Nws yeej xyoo 2003, 2004, 2006, 2007, 2008, 2009, 2012, thiab 2016.

Leej twg yog tus ua luam dej ceev tshaj plaws hauv keeb kwm?

Dressel muaj ib tus neeg zaum kawg, 50-m freestyle, hnub kawg ntawm kev sib tw ua luam dej hauv Tokyo. Hauv nws qhov kev sib tw zaum kawg rau qhov kev tshwm sim, uas nws tau ua luam dej tsis ntev tom qab yeej 100-m, Dressel tau sau ib lub sijhawm ntawm 21.42 vib nas this-qhov ceev tshaj plaws ntawm txhua tus neeg ua luam dej.

Leej twg yog tus ntxhais ua luam dej zoo tshaj hauv ntiaj teb?

Katie Ledecky. Washington, DC, Tebchaws Asmeskas Kathleen Genevieve Ledecky (/ləˈdɛki/; yug Lub Peb Hlis 17, 1997) yog tus neeg Asmeskas kev sib tw ua luam dej. Tau yeej rau Olympic kub puav pheej thiab15 lub ntiaj teb kev sib tw kub puav pheej, ntau tshaj plaws hauv keeb kwm rau poj niam ua luam dej, nws tau suav hais tias yog tus poj niam ua luam dej loj tshaj plaws txhua lub sijhawm.

Pom zoo:

Nthuav cov khoom
Koj puas tuaj yeem mus ntsib dagestan?
Nyeem ntxiv

Koj puas tuaj yeem mus ntsib dagestan?

Dagestan, officially lub koom pheej ntawm Dagestan yog ib lub koom pheej ntawm Russia nyob rau hauv lub Caspian Hiav txwv, nyob rau hauv lub North Caucasus ntawm Eastern Europe. Nws nyob rau sab qaum teb ntawm Greater Caucasus, thiab yog ib feem ntawm North Caucasian Federal District.

Xab npum suds siv rau dab tsi?
Nyeem ntxiv

Xab npum suds siv rau dab tsi?

A xab npum suds enema yog ib txoj hauv kev kho cem quav. Qee tus neeg kuj siv nws los kho fecal incontinence lossis tshem lawv cov quav ua ntej kev kho mob. Thaum muaj ntau hom enemas, xab npum suds enema tseem yog ib qho ntawm ntau hom, tshwj xeeb tshaj yog rau cem quav.

Puas yog qhov kev xeem thib ob?
Nyeem ntxiv

Puas yog qhov kev xeem thib ob?

Qhov thib ob derivative yuav yog siv los txiav txim siab hauv zos extrema ntawm kev ua haujlwm raws li qee yam xwm txheej. Yog tias qhov kev ua haujlwm muaj qhov tseem ceeb rau qhov twg f′(x)=0 thiab qhov thib ob derivative yog qhov zoo ntawm qhov no, ces f muaj qhov tsawg kawg nkaus hauv zos ntawm no.