Zosefera zathu zamitundu iwiri zili ndi maubwino atatu: 1. Nsonga yake imagwiritsa ntchito chosefera chamitundu iwiri kuti chipewe kuipitsidwa. Zosefera zoyera (2/3), zokhala ndi kabowo kakang'ono ka 10 μm, zimatchinga mamolekyu amadzimadzi, madontho am'mlengalenga, ndi fyuluta yabuluu (1/3)), yokhala ndi ver...
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