Cov txheej txheem:
- Dab tsi yog siv ob lub periscope?
- Periscope nquag siv nyob qhov twg?
- Ib co piv txwv ntawm periscope yog dab tsi?
- Periscopes siv li cas hauv WWII?
![Thaum twg koj yuav siv lub periscope? Thaum twg koj yuav siv lub periscope?](https://i.boatexistence.com/preview/questions-leaders/18724179-when-would-you-use-a-periscope.webp)
Video: Thaum twg koj yuav siv lub periscope?
![Video: Thaum twg koj yuav siv lub periscope? Video: Thaum twg koj yuav siv lub periscope?](https://i.ytimg.com/vi/8YODW0rpsUw/hqdefault.jpg)
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Periscope, kho qhov muag ntsuas siv hauv thaj av thiab hiav txwv tsov rog, submarine navigation, thiab lwm qhovkom tus neeg soj ntsuam pom nws ib puag ncig thaum tseem nyob hauv qab npog, qab armor, lossis submerged.
Dab tsi yog siv ob lub periscope?
Kev siv Periscope
- Nws yog siv rau hauv submarines los txiav txim qhov kev ncua deb ntawm lub torpedo thiab pab txiav txim siab lub sijhawm rau kev tawm tsam.
- Nws yog siv rau hauv lub tshuab hluav taws xob nuclear los soj ntsuam cov tshuaj lom neeg uas tshwm sim.
- Hauv tub rog periscopes yog siv los soj ntsuam los ntawm lawv qhov chaw nkaum.
Periscope nquag siv nyob qhov twg?
Lub periscope yog siv rau hauv lub submarines saibdab tsi mus rau saum npoo dej, Nws tau siv rau kev soj ntsuam hauv cov trenches thaum Ntiaj Teb Tsov Rog Zaum Ib, Nws yog siv rau hauv ib co phom turrets thiab nws yog siv nyob rau hauv armed tsheb.
Ib co piv txwv ntawm periscope yog dab tsi?
Lub ntsiab lus ntawm lub periscope yog ib txheej ntawm lo ntsiab muag, tsom iav lossis prisms ntawm lub raj tso cai rau tus neeg saib pom pom qhov cuam tshuam cuam tshuam rau lwm qhov kawg. Ib qho piv txwv ntawm lub periscope yog cov cuab yeej saib siv ntawm lub nkoj nkoj.
Periscopes siv li cas hauv WWII?
Lub sijhawm Tsov Rog Ntiaj Teb Zaum II (1939-1945), cov neeg soj ntsuam cov phom loj thiab cov tub ceev xwm tau siv tshwj xeeb-tsim periscope binoculars nrog sib txawv mountings. Qee tus ntawm lawv kuj tau tso cai kwv yees qhov kev ncua deb mus rau lub hom phiaj, raws li lawv tau tsim los ua stereoscopic rangefinders.
Pom zoo:
Thaum twg koj muaj lub qhov hauv koj lub caj dab?
![Thaum twg koj muaj lub qhov hauv koj lub caj dab? Thaum twg koj muaj lub qhov hauv koj lub caj dab?](https://i.boatexistence.com/preview/questions/18687461-when-you-have-a-hole-in-your-neck-j.webp)
Tracheostomy (tray-key-OS-tuh-me) yog ib lub qhov uas cov kws phais ua rau pem hauv ntej ntawm lub caj dab thiab mus rau hauv cov hlab cua (trachea). Lub raj tracheostomy muab tso rau hauv lub qhov kom nws qhib ua pa. Lub sij hawm rau txoj kev phais los tsim qhov qhib no yog tracheotomy .
Thaum twg koj yuav siv lub tshuab tsom iav stereoscopic?
![Thaum twg koj yuav siv lub tshuab tsom iav stereoscopic? Thaum twg koj yuav siv lub tshuab tsom iav stereoscopic?](https://i.boatexistence.com/preview/questions/18691369-when-would-you-use-a-stereoscopic-microscope-j.webp)
Lub stereo microscope feem ntau yog siv los kawm cov khoom ntawm cov khoom kuajlossis ua haujlwm ze xws li kev txiav, microsurgery, saib-ua, Circuit Court board tsim lossis tshuaj xyuas, thiab tawg qhov chaw xws li fractography thiab forensic engineering .
Thaum twg koj yuav tsum siv lub preamp?
![Thaum twg koj yuav tsum siv lub preamp? Thaum twg koj yuav tsum siv lub preamp?](https://i.boatexistence.com/preview/questions/18692448-when-should-you-use-a-preamp-j.webp)
Lub hom phiaj ntawm lub preamp yog txhawm rau nthuav cov theem qis rau kab theem, piv txwv li "tus qauv" qib kev ua haujlwm ntawm koj cov iav kaw. Microphone signals feem ntau yog hauv qab nominal kev khiav hauj lwm theem, yog li yuav tsum tau nce ntau, feem ntau nyob ib ncig ntawm 30-60 dB, qee zaum txawm ntau .
Thaum twg koj yuav tsum siv lub dab teg?
![Thaum twg koj yuav tsum siv lub dab teg? Thaum twg koj yuav tsum siv lub dab teg?](https://i.boatexistence.com/preview/questions/18742663-when-should-you-use-wrist-wraps-j.webp)
Lub dab teg yuav tsum hnav xwb, thaum lub sijhawm ua haujlwm hnyav xws li lub rooj zaum xovxwm lossis xovxwm saum taub hau vim tias koj lub dab teg tuaj yeem nkag mus rau hauv txoj haujlwm tsis muaj zog, thiab koj tuaj yeem ua rau nws ua rau raug mob.
Thaum twg siv koj li lossis koj li?
![Thaum twg siv koj li lossis koj li? Thaum twg siv koj li lossis koj li?](https://i.boatexistence.com/preview/questions/18761911-when-to-use-yours-or-yours-j.webp)
Ib txwm siv koj li thiab yeej tsis yog koj liTxawm tias lawv zoo li yuav luag zoo ib yam, cov qauv nrog apostrophe tsis raug thiab yuav ua rau koj qhov kev sau ntawv tsis zoo. Koj li yog ib lub npe uas muaj peev xwm qhia tau ua tswv cuab ntawm ib yam dab tsi.