2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Ob leeg Samuel Morland thiab German Jesuit kws tshawb fawb Athanasius Kircher tau tsim cov xov tooj cua tsis zoo hauv xyoo pua 17th nyob ib puag ncig 1655. Thomas Edison, ze li ntawm 200 xyoo tom qab xyoo 1878, tau los nrog lub npe "megaphone" thaum nws siv lub horn-zoo li "hais trumpet" los pab cov neeg uas tsis hnov lus zoo dua.
Leej twg tsim lub tshuab hluav taws xob?
Ob leeg Samuel Morland thiab Athanasius Kircher tau txais txiaj ntsig nrog kev tsim lub xov tooj cua ib puag ncig tib lub sijhawm hauv xyoo pua 17th. Morland, hauv ib txoj hauj lwm luam tawm xyoo 1655, tau sau txog nws qhov kev sim nrog cov horns sib txawv.
Puas yog siv lub xov tooj cua tsis raug cai?
Nyob Teb Chaws Asmeskas, nws tsis yog qhov txhaum cai sivtus bullhorn lossis megaphone nyob rau hauv qhov chaw pej xeem.
Puas yog megaphone analog?
Megaphones muaj keeb kwm ntev rov qab mus rau lub ntiaj teb thaum ub. Lawv yog ib tug tshwm sim acoustical txhim khu kev qha. … Keeb kwm tsim rau megaphones me me li lub khob cij lossis loj li lub tsheb ciav hlau, txawm li cas los xij, feem ntau megaphones siv niaj hnub no yog electronic, portable thiab tes tuav.
Megaphones ua haujlwm li cas?
A megaphone ua haujlwm me ntsis zoo li lub funnel. Nws tso lub suab koj ua thiab tsom mus rau koj lub hom phiaj. … Qhov txiaj ntsig no yog qhov tshwm sim ntawm txoj hauv kev uas lub suab tsis ua haujlwm. Thaum lub suab tsis txav tam sim ntawd los ntawm qhov chaw nqaim mus rau qhov chaw qhib dav, qee lub suab nthwv dejtau rov qab mus rau qhov chaw.
Pom zoo:
Thaum twg cov tswj tau tsim?
thawj gaming maub los yog paddle, nws tau tsim nyob rau hauv 1972 los ntawm ATARI. Tus thawj tswj hwm yog dab tsi? The Magnavox Odyssey yog thawj qhov kev ua lag luam ua lag luam, thiab nws cov tswj hwm tau ua tiav, tab sis siv tau.
Thaum twg armatures tau tsim?
invention los ntawm Wenström Lub slotted armature, tseem siv niaj hnub no, tau tsim nyob rau hauv 1880 los ntawm Swedish engineer Jonas Wenström. Faraday's 1831 nrhiav pom ntawm lub hauv paus ntsiab lus ntawm alternating-tam sim no (AC) transformer tsis tau muab tso rau kev siv kom txog rau thaum 1880s lig thaum muaj kev sib cav sib cav txog qhov zoo ntawm… Vim li cas sculptors siv armature?
Thaum twg tau ya pob tw tau tsim?
Raws li kev txhawb nqa sab nraud, lub dav hlau ya tau tsim tawm thaum lub sijhawm qub qub thiab tom qab ntawd tau vam meej nyob rau lub sijhawm Gothic lub sijhawm Gothic lub sijhawm Gothic kos duab yog a style ntawm medieval art uas tau tsim nyob rau sab qaum teb Fabkis tawm ntawm Romanesque art nyob rau hauv lub xyoo pua 12th AD, coj los ntawm kev txhim kho ntawm Gothic architecture.
Thaum twg tsim nyog tsim nyog?
Evan Edward Tsim Nyog Early College High School yog ib lub tsev kawm ntawv theem nrab nyob hauv cheeb tsam Sunnyside ntawm Houston, Texas, Tebchaws Meskas. Tsim nyog pab rau qib 9 txog 12 thiab yog ib feem ntawm Houston Independent School District.
Thaum twg siv tsim nyog thiab tsim nyog?
3 Teb. Teem caij tam sim no: Nws tsim nyog tau them. Yav dhau los: Nws tsim nyog tau them. Tsim nyog yog VERB uas txhais tau tias tsim nyog lossis tsim nyog, lossis haum rau qee yam, feem ntau yog nqi zog lossis kev rau txim. Koj siv li cas tsim nyog thiab tsim nyog hauv kab lus?
