an unknown antity

• n. 未知量(难以预测的人)

例句

用作名词 (n.)

1. List the given information and the unknown quantities.
   列出给定数据和未知量。
2. The method has good preciseness and less unknown variables and it is convenient to be used in practice.
   该方法收敛性较好，未知量少，便于实际应用。