I.T.C .Z,E.M.S,E.M.R,I.R.S এগুলোর পূর্ণ রূপ কি ?

I.T.C.Z= Inter Tropical Convergence Zone

E.M.S= Electro Magnetic Spectrum

E.M.R= Electro Magnetic Radiation

I.R.S= Indian Remote Sensing Satellite।

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