Cov yam ntxwv ntawm chav kawm yog dab tsi?
Cov yam ntxwv ntawm chav kawm yog dab tsi?

Video: Cov yam ntxwv ntawm chav kawm yog dab tsi?

Video: Cov yam ntxwv ntawm chav kawm yog dab tsi?
Video: Saib Thaj Zaum qhia tau neeg tus yam ntxwv 2024, Hlis ntuj nqeg
Anonim

Piv txwv ntawm chav kawm cov pov thawj muaj xws li hom ntshav, fibers, thiab xim. Tus kheej Yam ntxwv yog cov khoom pov thawj ntawm lub cev uas tuaj yeem raug ntaus nqi rau ib qho chaw uas muaj kev ntseeg siab. Piv txwv ntawm ib tus neeg pov thawj suav nrog txhua yam uas muaj cov DNA DNA, cov cim, thiab cov ntiv tes.

Tom qab ntawd, ib tug kuj yuav nug, dab tsi yog cov pov thawj yam ntxwv ntawm chav kawm?

Cov yam ntxwv ntawm chav kawm tsis yog tshwj xeeb rau ib yam khoom tab sis tso qhov tshwj xeeb me ntsis ntawm pov thawj rau hauv ib pawg ntawm cov khoom. Tus kheej yam ntxwv nqaim lub pov thawj mus rau ib qho, tus kheej qhov chaw. Hom phom phom uas tus neeg raug tua yog ib tug class yam ntxwv.

Kuj Paub, dab tsi yog qee tus cwj pwm ntawm tus kheej? Ntau yam nta ntawm tus ntiv taw, humps hauv tus ntiv taw kab, phalange cim, flatfoot mob, pits, tawg, pob kws, thiab lwm yam, tau kawm. zaus ntawm qee ntawm cov no cov cim kuj tau sau tseg.

Tom qab ntawd, ib tug kuj yuav nug, dab tsi yog cov yam ntxwv ntawm cov phom?

Ntawm cov mos txwv, cov cov yam ntxwv ntawm chav kawm yog cov rifling specifications ntawm lub chim los ntawm cov mos txwv raug rho tawm haujlwm. Cov no suav nrog caliber, tus naj npawb ntawm cov av thiab grooves, kev taw qhia ntawm twist ntawm cov av thiab grooves, thiab dav ntawm cov av thiab grooves.

Cov chav kawm thiab tus yam ntxwv ntawm cov mos txwv yog dab tsi?

Kev sib piv ntawm cov mos txwv koom nrog " class" thiab "ib leeg " yam ntxwv . Cov no yam ntxwv yog raws li "striae" sab laug ntawm lub mos txwv raws li nws hla lub thoob. Chav kawm hais txog hom caliber thiab rifling. Rifling qauv tuaj yeem tig mus rau sab xis lossis sab laug, nrog rau tus nqi sib tw.

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