nonquaternary

例句：

1. 1. The nonquaternary structure of the crystal is quite unique.
   这种晶体的非四元组结构相当独特。
2. 2.The nonquaternary nature of the material has been a subject of much debate.
   这种材料的非四元组性质一直是争论的焦点。
3. 3. The nonquaternary approach to problem-solving has proven to be highly effective.
   采用非四元组方法解决问题已证明非常有效。