underdetermined
adj. [数]欠定的
v. 证据不足地说明（undertermine 的过去式和过去分词）
例句
LSQR and ART algorithms are applied separately to calculate tomography for the underdetermined system of equation.
分别采用 LSQR 和 ART 算法对欠定方程组进行了层析成像计算。
The least fault principle may be employed to solve the underdetermined equations.
引入最少故障原理可以对亚定的故障方程组求解。
The two-step approach is often used to separate sources in underdetermined blind separation problem.
针对目前欠定盲分离问题中源数未知，采取“两步法”进行分离源信号。
