si 13造句

例句与造句

1. Kamb and Oke in 1960 first described paulingite from vesicles in the Tertiary, augite-bearing-basaltic rocks at the Rock Island dam in Washington, where it is associated with clinoptilolite ( Na, K, Ca ) 2-3Al 3 ( Al, Si ) 2 Si 13 O 36 " 12 ( H 2 O ), phillipsite ( Ca, Na 2, K 2 ) 3 Al 6 Si 10 O 32 " 12H 2 O, calcite ( CaCO 3 ), and pyrite ( FeS 2 ).
2. It's difficult to find si 13 in a sentence. 用si 13造句挺难的