词汇	Angling method
释义	Angling method 导角法
随便看	principal program path principal project principal projection principal projection property principal proposition principal-protected fired principal protection principal pseudopupil principal public procurator principal punishment principal purlin Principal quality Principal Quality Officer principal quantum number principal quantum number topological index principal raw material principal ray Principal Ray Smith principal reactance principal reaction principal real right principal reasons principal reduced form principal reflection principal refraction index