Video: Dab tsi suav ua qhov chaw thib ob?
2024 Tus sau: Edward Hancock | [email protected]. Kawg hloov kho: 2023-12-16 01:32
Qhov chaw thib ob tau tsim los ntawm ib tus neeg uas tsis tau paub txog thawj zaug lossis koom nrog cov xwm txheej lossis cov xwm txheej uas koj tab tom tshawb nrhiav. Rau qhov project tshawb fawb keeb kwm, qhov chaw thib ob feem ntau yog cov phau ntawv kawm thiab cov ntawv. Qhov chaw thib ob tej zaum yuav muaj cov duab, quotes los yog graphics ntawm thawj qhov chaw.
Ib yam li ntawd, tib neeg nug, qhov piv txwv ntawm qhov chaw thib ob yog dab tsi?
Qhov chaw thib ob piav, piav qhia, los yog sib tham txog cov ntaub ntawv los yog cov ntsiab lus thaum xub thawj tau nthuav tawm hauv lwm qhov qhov chaw ; txhais tau tias tus sau, feem ntau, tsis tau koom nrog qhov kev tshwm sim. Piv txwv ntawm qhov chaw thib ob yog: Cov ntawv tshaj tawm xws li phau ntawv kawm, cov ntawv xov xwm, phau ntawv tshuaj xyuas, cov lus qhia, encyclopedias, almanacs.
Kuj Paub, dab tsi suav tias yog qhov tseem ceeb? Cov hauv paus ntsiab lus yog cov ntaub ntawv ncaj qha ntsig txog lub ncauj lus los ntawm lub sijhawm lossis kev koom tes. Cov ntaub ntawv no suav nrog cov ntawv, lus hais , phau ntawv teev npe, cov ntawv xov xwm los ntawm lub sijhawm, kev xam phaj hauv qhov ncauj, cov ntaub ntawv, duab, cov khoom qub, lossis lwm yam uas muab cov nyiaj ua ntej txog tus neeg lossis cov xwm txheej.
Hais txog qhov no, dab tsi ua rau qhov chaw thib ob yog qhov chaw thib ob?
A qhov chaw thib ob yog ib yam qhov chaw txog ib qho xwm txheej, lub sijhawm, lossis qhov teeb meem hauv keeb kwm uas tau tsim tom qab qhov xwm txheej, lub sijhawm lossis qhov teeb meem tau dhau mus. Ib sab ntawm phau ntawv kawm, feem ntau raug muab qhov chaw thib ob yog ib tug scholarly monograph - ib lub ntim ntawm ib qho kev kawm yav dhau los, sau los ntawm tus kws tshaj lij.
Lub hom phiaj ntawm qhov chaw thib ob yog dab tsi?
Cov kws tshawb fawb sau txog cov xwm txheej keeb kwm, tib neeg, cov khoom, lossis cov tswv yim tsim tawm qhov chaw thib ob vim lawv pab piav qhia txoj haujlwm tshiab lossis txawv thiab cov tswv yim txog thawj qhov chaw . Cov no qhov chaw thib ob Feem ntau cov phau ntawv kawm, suav nrog cov phau ntawv, cov ntawv, encyclopedias, thiab anthologies.
Pom zoo:
Dab tsi yog qhov txawv ntawm Singleton qhov chaw thiab cov chaw qhia parsimony?
Qhov txawv ntawm Singleton qhov chaw thiab Parsimony-Informative sites yog dab tsi? Singleton tsuas yog ua ib qho piv txwv tsim thiab muaj tsawg kawg yog 2 hom nucleotides thiab tshwm sim ntau zaus. Thaum parsimony- cov chaw qhia paub kuj muaj 2 nucleotides tab sis tsuas yog ob ntawm lawv tshwm sim nrog tsawg zaus ntawm ob
Dab tsi yog qhov sib txawv ntawm qhov chaw ua haujlwm raug cai thiab qhov chaw ua haujlwm tsis raws cai?
Dab tsi yog qhov txawv ntawm qhov chaw ua haujlwm raug cai thiab chaw ua haujlwm tsis raws cai? Nrog kev ua tsis raws cai muaj cov nyiaj ua haujlwm tsawg, cov txiaj ntsig tsawg, thiab cov teev me me. Raws li txoj cai muaj cov nyiaj them poob haujlwm thiab cov txiaj ntsig, qhov chaw ruaj khov, thiab cov sij hawm tsis tu ncua
Lub sij hawm qhov chaw thiab qhov chaw nqi yog dab tsi?
Txoj hauj lwm ntawm txhua tus lej txiav txim siab tus lej qhov chaw tus nqi. Qhov chaw tus nqi daim ntawv teev npe txhua qhov chaw tus nqi. Thaum ib tus lej sau rau hauv cov qauv, txhua pawg ntawm tus lej sib cais los ntawm tus lej cim yog hu ua lub sijhawm
Dab tsi yog qhov tseem ceeb thib ob thiab qib thib ob?
Piv txwv li, daim duab lossis yees duab ntawm ib qho kev tshwm sim yog qhov tseem ceeb. Cov ntaub ntawv los ntawm kev sim yog qhov tseem ceeb. Qhov chaw thib ob yog ib kauj ruam tshem tawm ntawm qhov ntawd. Tertiary qhov chaw sau los yog sib txuas cov kev tshawb fawb hauv qhov chaw thib ob. Piv txwv li, cov phau ntawv kawm thiab cov phau ntawv siv yog qhov chaw kawm qib siab
Qhov txawv ntawm Singleton qhov chaw thiab cov chaw qhia parsimony yog vim li cas PI qhov chaw muaj txiaj ntsig zoo rau kev txiav txim siab Phylogentic kev sib raug zoo thaum S qhov chaw tsis yog?
Qhov txawv ntawm Singleton qhov chaw thiab Parsimony-Informative sites yog dab tsi? PI qhov chaw muaj txiaj ntsig zoo rau kev txiav txim siab phylogenetic kev sib raug zoo vim tias lawv muaj ob lub nucleotides sib txawv uas tuaj yeem tshwm sim ntau dua ob zaug thiab qhia tias tsob ntoo twg muaj ntau dua parsimonious