仙后座δ【天】

Tycho's supernova(SN Cas 1572)【天】

Phyllactinia pyri-serotinae Sawada; P. pyri (Cas-tagne) Homma

stratocumulus castellanus\nSc cas\n气象

Qingdao institute of biomass energy and bioprocess technology, CAS

cas fortuit

β Cas

β Cas【天】

3-Dimethylaminobenzoic Acid (CAS: 99-64-9)