ill defined

同根派生

One order was dead beyond recall. Another ill defined and uncertain though it was, had been born.
一种秩序一去不复返了。另一种秩序虽然还很模糊而不稳定，但已经诞生。
Malignant calcific nodules were hypoechogenic, ill defined, solid, irregular, rich blood flow and absent of halo sign.
甲状腺恶性病变的超声图像以低回声、实质不均质、包膜不清、边界模糊、形态不规则、周边无声晕、血流丰富的微小钙化灶为主。
The mutual information function can be ill defined, containing local maxima result in misregistration.
除此之外，还详细研究了插值方法和灰度级别对互信息配准方法的影响。
HRCT shows ill defined patchy areas of ground-glass opacity. Focal areas of lucency, representing air trapping are also visible.
HRCT显示边界不清的斑片状毛玻璃样阴影，并可见局灶性透亮区，提示空气潴留。
Dye Jiggle system is a two input/two output nonlinear system with time-variable parameters, which is a so-called "ill defined" system.
卷染和是一个二输入二输出非线性系统，具有时变量参量，因此，称之为"病态"系统，应该将模糊控制作为首选方案。