2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Ib yam tsawg kawg nkaus spanning ntoo los yog yam tsawg kawg nkaus qhov hnyav spanning tsob ntoo yog ib tug subset ntawm cov npoo ntawm ib tug kev cob cog rua, edge-weighted undirected graph uas txuas tag nrho cov vertices ua ke, tsis muaj ib lub voj voog thiab nrog qhov tsawg kawg nkaus qhov hnyav tag nrho. Qhov ntawd yog, nws yog ib tsob ntoo spanning uas nws cov sum ntawm ntug qhov hnyav li tsawg li sai tau.
Yam tsawg kawg yog tsob ntoo nrog piv txwv li cas?
Ib tsob ntoo tsawg kawg yog ib hom ntoo tshwj xeeb uas txo qhov ntev (lossis "yuag") ntawm cov npoo ntawm tsob ntoo. Ib qho piv txwv yog cable tuam txhab xav nteg kab rau ntau lub zej zog; los ntawm kev txo qis ntawm cov cable tso, lub tuam txhab cable yuav txuag nyiaj. Ib tsob ntoo muaj ib txoj kev koom nrog ob txoj kab nqes.
Yuav ua li cas thiaj nrhiav tau tsob ntoo tsawg kawg nkaus?
Nrhiav qhov ze tshaj plaws tsis muaj xim nyob ze rau cov duab liab(piv txwv li, qhov ze tshaj plaws rau ib qho liab vertex). Kos nws thiab ntug txuas lub vertex mus rau lub subgraph liab nyob rau hauv liab. Rov ua kauj ruam 2 kom txog rau thaum tag nrho cov ntsug yog cim liab. Daim duab liab liab yog qhov tsawg kawg ntawm tsob ntoo.
Koj txhais li cas ntawm tsob ntoo thiab tsob ntoo tsawg kawg nkaus?
Ib tsob ntoo ncua ntawm daim duab yog ib qho kev sib txuas ntawm cov npoo uas suav nrog txhua qhov vertex hauv daim duab, tab sis qhov ntawd tsis tsim ib lub voj voog. … Tus Tsob Ntoo Yam Tsawg Kawg Nkaus yog tus uas nws qhov hnyav ntawm ntug qhov hnyav muaj qhov tsawg tshaj plaws, txawm li cas los xij.
Qhov txawv ntawm tsob ntoo ncua thiab tsob ntoo tsawg kawg yog dab tsi?
Yog daim duab yogntug-qhov hnyav, peb tuaj yeem txhais qhov hnyavntawm tsob ntoo spanning raws li qhov sib npaug ntawm qhov hnyav ntawm tag nrho nws cov npoo. Qhov tsawg kawg nkaus spanning ntoo yog ib tsob ntoo uas nws qhov hnyav yog qhov tsawg tshaj plaws ntawm tag nrho cov ntoo spanning.
Pom zoo:
Puas yog tsob ntoo tsob ntoo?
Y Willowherbs yog cov nroj tsuag broadleaf tab sis feem ntau xav tau kev cuam tshuam los tsim. Txawm hais tias suav tias yog cov tswv cuab tsim nyog ntawm cov chaw nyob, lawv tuaj yeem ua nroj tsuag hauv nroog tswj hwm thiab chaw ua liaj ua teb.
Puas yog tsob ntoo puas tuaj yeem rhuav tsob ntoo?
Woodpeckers tau nyiam cov kab tho ntoo, kab laug sab, ntoo ntsaum, kab ntsig, thiab kab laug sab. Txawm li cas los xij, lawv tseem yuav noj txiv ntoo, txiv hmab txiv ntoo, qe noog, lizards thiab nas me. … Cov noog no paub tias voraciously tua ntoo, ua rau muaj kev puas tsuaj loj thiab qee zaum tuag rau tsob ntoo.
Puas yog tsob ntoo ntoo zoo ntoo?
Walnut firewood yog taws tswm ciab zoo nrog nruab nrab ntomthiab yog qhov yooj yim rau hlawv. Nws yog cov ntoo zoo uas kub hnyiab tau, yooj yim los pib, thiab muaj cov ntxhiab tsw qab ntxiag. Tus nqi BTU tsis siab npaum li lwm cov ntoo tawv, xws li ntoo qhib, tab sis zoo dua li ntoo ntoo, xws li ntoo thuv lossis fir.
Puas yog tsob ntoo cog ntoo?
Plantago ovata, paub los ntawm ntau lub npe suav nrog blond plantain, suab puam Indianwheat, blond psyllium, thiab isabgol, yog tshuaj ntsuab nroj tsuag rau thaj av Mediterranean thiab naturalized nyob rau hauv nruab nrab, sab hnub tuaj., thiab South Asia thiab North America.
Christmas tsob ntoo twg yog tsob ntoo fullest?
1. Douglas fir yog ib hom ntoo Christmas tshaj plaws muag hauv Asmeskas. Qhov no evergreen yog ib qho tseem ceeb hauv feem ntau tsob ntoo Christmas, nyiam rau nws cov duab zoo li cov pyramid thiab cov koob ntev ntev. Cov koob mos mos, ci ntsa iab uas loj tuaj ntawm txhua sab ntawm nws cov ceg, ua rau nws pom txawm tias puv!
