"have remained unexplored" is a grammatically correct phrase that can be used in written English.
It typically means that something has not been investigated or thoroughly examined. Example: Many mysteries in ancient history have remained unexplored, leaving historians and archeologists baffled by the lack of evidence and understanding.
However, the associated biomechanics have remained unexplored.
These mechanisms have remained unexplored so far (Bingham and Kahl 2014; Dobusch and Schüßler 2013; Eggers and Kaplan 2013; O'Reilly and Tushman 2013; Tripsas 2009).
In this paper, we theoretically propose and analyze some nonlinear optical properties in a DNA-quantum dot coupling system, which have remained unexplored to date.
These influences of individual differences have remained unexplored, and even when radiological performance is explicitly measured, most studies do not focus on the psychometric properties of the task, including its reliability (Bass & Chiles, 1990; Harley et al., 2009).
Some of the feature selection algorithms that have remained unexplored include the various polynomial degrees of the following: Sequential forward selection (Jain and Zongker 1997; Sun and Yao 2006).
This debate has so far, however, been addressed only from a top-down view representing the theories of community leaders and bioethicists, while the actual meaning and practice of carrier matching as experienced by community members have remained unexplored.
However, how this universal principle can enhance genotype phenotype mapping of quantitative traits has remained unexplored.
Furthermore, the nature of Bachman and Palmer's (1996) strategic competence model with regard to graph-writing has remained unexplored.
Despite the importance of this topic in the BEM, the direct transformation has remained unexplored so far.
However, the combination of inkjet printing and control of neural stem cell (NSC) multipotency and differentiation has remained unexplored.
Due to their qualities they have formed the topic of previous research, but nevertheless we've noticed that a large part of their design potential has remained unexplored.
