adj.不被看见(或发现)的

The unobserved variables in our model may significantly influence the predicted outcomes.
我们模型中的未观测变量可能对预测结果产生重大影响。
Researchers often struggle to account for the effects of unobserved factors on experimental results.
研究人员经常难以解释未观测因素对实验结果的影响。
The true impact of the new policy remains unobserved until more data becomes available for analysis.
在获得更多可供分析的数据之前，新政策的真实影响仍无法被观察到。
Despite extensive monitoring, some species in the ecosystem remain largely unobserved due to their elusive nature.
尽管进行了广泛监测，但由于其难以捉摸的特性，生态系统中的一些物种仍然很大程度上未被观察到。
The child's learning difficulties might stem from unobserved cognitive or emotional issues.
这个孩子学习困难可能是由于未被察觉的认知或情绪问题导致的。
The unobserved economy, consisting of informal transactions and unreported income, is challenging for policymakers to quantify.
由非正式交易和未报告收入构成的未观测经济，对政策制定者来说具有挑战性，难以量化。
The patient's improvement could be attributed to an unobserved change in their diet or exercise routine.
患者的改善可能归因于其饮食或锻炼习惯的未被注意到的改变。
The unobserved gravitational pull from distant celestial bodies can subtly affect the orbits of nearby planets.
来自遥远天体的未被观测到的引力拉扯可以微妙地影响附近行星的轨道。
The study design failed to control for several key unobserved confounding variables, potentially compromising the validity of the findings.
该研究设计未能控制几个关键的未观测混杂变量，可能危及研究发现的有效性。
Many marine microorganisms and their interactions remain unobserved due to the limitations of current underwater exploration technology.
由于当前水下探索技术的局限性，许多海洋微生物及其相互作用仍未被观察到。