草弓剪刚 kusanagi Tsuyashi ; Tsuyoshi Kusanagi

刚地弓形虫 gondii ; Strain RH ; Toxoplasma gondii

变刚度弓形板弹簧 Variable rate semi-elliptic spring

等刚度弓形板弹簧 Constant rate semi-elliptic spring

弓丝刚度 The stiff of archwire

刚性弓丝 rigid wire