Nplooj ntawv xov xwm pib qhov twg?

Cov txheej txheem:

Nplooj ntawv xov xwm pib qhov twg?
Nplooj ntawv xov xwm pib qhov twg?
Anonim

History. 1801: James Pillans, tus thawj coj thiab tus kws qhia geography ntawm Old High School hauv Edinburgh, Scotland, tau txais txiaj ntsig los ntawm kev tsim thawj daim ntawv teev npe niaj hnub no. Xyoo 1925: George Brooks ntawm Topeka, Kansas tau muab daim ntawv pov thawj rau kev siv cov corkboard ua cov ntawv xov xwm uas koj tuaj yeem lo tacks rau hauv.

Leej twg tsim cov ntawv xov xwm?

Ward Christensen thiab Randy Suess tsim software rau Computerized Bulletin Board System (CBBS) hauv xyoo 1970 hauv Chicago. Lawv tau piav qhia nws hauv ib tsab xov xwm luam tawm hauv Byte Magazine hauv xyoo 1978. Lub kaw lus tau ua tiav zoo, thiab BBSes tau nthuav tawm thoob plaws lub tebchaws.

lo lus tshaj tawm los ntawm qhov twg?

1765, "tau lees paub tsab ntawv ceeb toom txog qee qhov xwm txheej, tshaj tawm rau cov ntaub ntawv ntawm pej xeem," los ntawm Fabkis cov ntawv xov xwm (16c.), ua qauv ntawm Italian ntawv xov xwm, diminutive ntawm mos txwv "cov ntaub ntawv, daim ntawv pov npav," nws tus kheej ib qho me me ntawm Latin bulla "round object" (saib bull (n.

Lub corkboard tau tsim thaum twg?

Txij li thaum lawv thawj tsim nyob rau hauv 1891 txhawm rau tiv thaiv qhov kub thiab txias hauv qhov chaw txias txias, cork raws boards tau hloov zuj zus los ua qhov ntsiag to ua haujlwm-nees hauv tsev kawm ntawv thiab kev lag luam txawm tias lawv tus kheej los yog tsim los ua ke nrog cov ntawv dawb, daim kab dam, muab tso rau ntawm lub easel, lossis npog nrog cov ntaub zoo nkauj.

daim ntawv xov xwm nyob qhov twgnce?

Teb: Fabkis koog tsev kawm ntawv ntawm Alsace thiab Lorraine tau raug coj loslos ntawm Prussians. Yog li ntawd, lub rooj tsavxwm tshaj tawm tau tshaj tawm cov xov xwm uas tau xaj los ntawm Berlin los qhia tsuas yog German hauv cov tsev kawm ntawv ntawm Alsace thiab Lorraine.

Pom zoo:

Nthuav cov khoom
Margined collateral yog dab tsi?
Nyeem ntxiv

Margined collateral yog dab tsi?

Nyob rau hauv kev nyiaj txiag, cov paj laum yog cov khoom lag luam uas tus neeg ua lag luam yuav tsum tau tso nrog lawv tus broker lossis kev sib pauv los them cov nqi qiv nyiaj uas tus neeg tuav pov hwm ua rau tus brokerlossis kev pauv. … Kev yuav ntawm cov paj tau tshwm sim thaum tus neeg ua lag luam yuav ib qho cuab tam los ntawm qiv qhov nyiaj tshuav ntawm tus broker.

Karina puas yog ib tug tub?
Nyeem ntxiv

Karina puas yog ib tug tub?

Karina /kəˈriːnə/ is a female muab lub npe siv niaj hnub no. Nws tuaj yeem yog qhov sib txawv ntawm kev sau ntawm Carina (los ntawm Latin carus=kev hlub) lossis luv luv ntawm Katarina / Katrina. Puas Carina yog ib tug tub npe? Lub npe Carina yog ib tug girl's lub npe ntawm Italian keeb kwm txhais tau tias "

Qhov kev nyab xeeb twg tsis tuaj yeem ua rau margin?
Nyeem ntxiv

Qhov kev nyab xeeb twg tsis tuaj yeem ua rau margin?

Cov khoom lag luam tsis muaj txiaj ntsig suav nrog tsis ntev los no IPOs, cov khoom lag luam nyiaj npib, thiab cov ntawv tshaj tawm hauv khw muag khoom. Lub downside ntawm marginable kev ruaj ntseg yog tias lawv tuaj yeem ua rau kev hu xov tooj, uas ua rau muaj kev nyab xeeb thiab nyiaj txiag poob.