未知数

未知数 [wèi zhī shù]

1. ■ {数} unknown number

2. ■ （不确定） unknown; uncertain:

学院今年的春运会是否开还是个未知数。 It's still uncertain whether the College Spring Sports will be held this year.

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常用词组

1. ■ 未知数条件平差 adjustment of condition equations with unknowns;

2. ■ 未知数消去法 elimination of unknowns