Sentence examples for unsolved technical from inspiring English sources

The one unsolved technical problem is that drones are far more apt to crash than manned aircraft – by one estimate, 25 large drones worldwide have crashed this year alone.

Apart from unsolved technical difficulties, much more basic research in embryonic stem cell research is needed.

Unsolved technical issues are associated with massive impacts on health and the environment (e.g., electromagnetic radiation).

An unsolved technical problem with this refrigerant is the selection of the most suitable lubricant for each application.

As a result, both the data preparation and the subsequent in silico experiments pose unsolved technical and theoretical challenges, as there are not any well-established approaches, and new expertise and software are constantly emerging.

In terms of the above unsolved technical challenges of tracking human over camera networks, future research directions on human tracking over camera networks can be summarized as follows: 1) Robust and discriminant feature fusion adaptive to camera scene changes for human tracking over camera networks.

Despite the tremendous advances in molecular diagnosis of HNPCC that have been made since the discovery of genetic clues of this disease, the genetic etiology of many clinically defined HNPCC patients remains unsolved because of technical limitations and/or difficulties in confirming the pathogenicity of identified gene alterations [ 7].

Many technical issues still remain unsolved in this field.

From a computational point of view, many technical and statistical issues remain unsolved.

Many researches have been done on the optimization but pipeline network distribution, treating technical and integrated optimization still remained unsolved.

The clinical application of NOTES thus has still remained in "exploratory" phase in limited advanced institutions, and various problems including medical, technical, ethical, and economical issues remain unsolved [3, 7, 8].