权威例句
StraightedgeStraightedgeStraight edgeAdjustable angle and miter finderChalk line deviceTomahawk (geometric shape)Philo LineNapoleon's Problem“How Edge Are You?” Constructing Authentic Identities and Subcultural Boundaries in a Straightedge Internet ForumRave and Straightedge, the Virtual and the Real: Exploring Online and Offline Experiences in Canadian Youth Subcultures.The Straightedge Youth Sub-Culture: Observations on the Complexity of Sub-Cultural IdentityCompass and Straightedge in the Poincaré DiskCompass and Straightedge in the Poincar´ eD isk