"List of International Schools" (Archive). Osaka Prefecture. Retrieved on August 17, 2015. "Private Schools where there is a large number of foreigners
Scorpion Fighter," Popular Science 1951 article with cutaway of F-89 with original six 20 mm cannon nose, article at bottom of page (1957) T.O. 1F-89D-1
可选项: signed number = [ sign , ] number ; 可按 BNF-风格定义为: signed number = sign , number | number ; 或 signed number = optional sign , number ; optional sign
Peter R. Crane. Palaeobotanical redux: revisiting the age of the angiosperms. Nature Plants. 2017, 3: Articlenumber 17015. doi:10.1038/nplants.2017.15.