1)double-digit level,两位数字的水平2)integration of two sides,两位一体3)"two positions and one systerm",“两位一体”4)Two Ladies,两位夫人5)dibit encoding,两位编码6)two-position switch,两位开关7)two-bit algorithm,两位算法8)test two bits,检验两位9)TTB (test two bits),检验两位10)two-step action,两位作用
