P txhais li cas ntawm daim ntawv qhia qub?
P txhais li cas ntawm daim ntawv qhia qub?

Video: P txhais li cas ntawm daim ntawv qhia qub?

Video: P txhais li cas ntawm daim ntawv qhia qub?
Video: Saib Mis paub Poj niam (hluas nkauj) tus yam ntxwv lub siab 2024, Kaum ib hlis
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OS daim ntawv qhia siv cov ntawv luv ntawm MP rau Mile Post thiab MS rau Mile Stone. Kuv nrog Jan rau qhov no, OS Site qhia GP=Guide Post (kos npe ncej), p =pump (sanitary abbreviations 1:528 scale daim ntawv qhia nyob rau hauv 1850s, W = zoo ( laus cov npe siv thaum kawg 19th / pib 20 Centuries).

Hais txog qhov no, P sawv cev rau dab tsi ntawm daim ntawv qhia?

Nyob rau hauv ib qho kev ntsuam xyuas phom daim ntawv qhia , dab tsi ua ib leeg " P " tsab ntawv dub txhais tau li cas? Chaw nres tsheb. chaw xa ntawv.

Tsis tas li ntawd, TK txhais li cas ntawm daim ntawv qhia? Def - Qhov no yog ib tug "defaced ciam teb", lub ntsiab lus hais tias tus thawj feature uas ciam teb yog dlhos kom tsis muaj lawm. Qhov no tej zaum yog ib lub hedge uas raug tshem tawm thaum lub tsev tau tsim. Tau cov hedge cag tsis raug tshem tawm ces ciam teb yuav raug cim tias " Tk H” txhais tau tias taug qab ntawm hedge.

Ib yam li ntawd, nws raug nug, RH txhais li cas ntawm daim ntawv qhia?

Re: Abbreviations on qub daim ntawv qhia 4' RH txhais tau tias 4 feet ntawm lub hauv paus ntawm hedge.

Cov cim ntawm daim ntawv qhia OS txhais li cas?

A daim ntawv qhia yog ib tug graphical visualization ntawm lub ntiaj teb no nyob ib ncig ntawm peb thiab yog tsim los siv ntau yam cim pab peb sawv cev tias geography. Maps siv cim los sau cov yam ntxwv ntawm lub neej tiag tiag thiab ua tus daim ntawv qhia meej dua.

Pom zoo: