Sentence examples for are still unsolved problems from inspiring English sources

Even if we assume that the assets do increase in value, allowing the government to be repaid, there are still unsolved problems.

For all the administration's optimism, there are still unsolved problems with each of the systems under consideration -- from dealing with overwhelming numbers of ballistic missiles to overcoming decoys and other countermeasures and, in the case of attacking enemy missiles as they ascend from their launch pads, responding quickly enough.

Again, either defining or detecting the connected component boundary are still unsolved problems.

There are still unsolved problems in connection with the operating of a bone bank.

Nevertheless several control problems are still unsolved, because of the intrinsic nonlinear behaviour, lack of measurements and large model uncertainties.

Even though rapid advances in intelligent firearm identification have been made in recently years, the major practical and theoretical problems are still unsolved.

Although metal creep has been studied for about 100 years, many problems are still unsolved, in particular for those involving multi-axial stresses.

By the insight of evolutionary biology, we should begin to elucidate the biological problems which are still unsolved, in order to advance to the field of the hematological diseases.

Most of the killings are still unsolved.

The murders are still unsolved.

To the best of the authors' knowledge, this problem is still unsolved in the public domain.