tis ntawm dragonflies feem ntau yog ua los ntawm cov leeg thiab daim nyias nyias, cov khoom siv nanocomposite. Cov hlab ntsha thiab daim nyias nyias muaj ib txoj hauv kev tsim nyob rau hauv lub tis uas ua rau tag nrho-tis yam ntxwv uas ua rau dragonflies tau zoo tshaj plaws ntau yam, maneuverable fliers.
Yuav ua li cas tis ntawm ib tug dragonfly?
Ib qho peculiarity ntawm dragonfly yog nws siv rowing motion raws ib inclined stroke dav hlau. Thaum hovering, lub cev nyob yuav luag kab rov tav. Cov tis thawb rov qab thiab nqes, thiab thaum kawg ntawm kev mob stroke, plaub thiab hlais nce thiab nce mus.
txhais tau li cas thaum tus kab npauj npaim tsaws rau ntawm koj?
Yog tus nab ya tuaj rau ntawm koj, pom tau tias yog hmoov zoo. Pom tus kab npauj npaim hauv npau suav lossis yog tias muaj ib qho dheev tshwm hauv koj lub neej, nws yog ib qho kev ceeb toom. Ib yam dab tsi hauv koj lub neej zais tsis pom, lossis qhov tseeb raug khaws cia ntawm koj.
Koj piav zaj npauj npaim li cas?
Dragonflies muaj ntev, muag heev, membranous tis uas yog pob tshab thiab qee qhov muaj xim daj daj nyob ze ntawm cov lus qhia. Lawv lub cev yog ntev thiab luv thiab lawv muaj ib tug luv luv antennae. Dragonflies muaj xim zoo nkauj heev, piv txwv li Green Darner Dargonfly muaj lub ntsej muag ntsuab thiab xiav segmented plab.
Tus qauv ntawm tus kab laum yog dab tsi?
Ib tug neeg laus zaj muaj peb ntu, lub taub hau, thorax, thiab plab, zoo li hauvtag nrho cov kab. Nws muaj chitinous exoskeleton ntawm cov phaj tawv tuav ua ke nrog cov ntaub nyias nyias. Lub taub hau yog loj nrog luv luv antennae. Nws yog dominated los ntawm ob lub qhov muag compound, uas npog feem ntau ntawm nws nto.