用unsolved problem造句子，“unsolved problem”造句

Nowadays, the phenomena about over-education has be en a topical issue and unsolved problem among the general public.

Yarlung Zangbo River Shui Yindao the Yellow River, solves the area south of Yellow River area to lack the water question the unsolved problem.

Then I went to the city, and I went back to the city. Perhaps the unsolved problem was unsolved. The problem that I did not dare to face in that year was faced, and the people who wanted to say some words were so understatement.

Great books deal with the persistently unsolved problems of human life.

One big Extra in any endeavor is to identify new opportunities or unsolved problems, and then convene conversations around them.

The study on the tooth harmonic emf is one of the publicly interested and unsolved problems in the field of electric machine theory.

The fear I refer to is the type that causes us to stay awake at night conjuring up all the terrible things that could happen because of the unsolved problems we're facing.

However, the most profound unsolved problem in biology is the origin of life itself.

The design of a total energy conserving semi-implicit scheme for the multiple-level baroclinic primitive equation has remained an unsolved problem for a long time.

The concept and calculation about the degree of fixity of elastic fixed ends in structures is an unsolved problem in mechanics of ship structures.

The origin of life is one of the great unsolved problems of science.

They should identify unsolved problems, map the wider system influencing results, and determine weak links to strengthen or gaps to fill.

This is an unsolved problem.

In crisis management and conflict analysis, it is an unsolved problem whether pairwise mutual deterrence has stability.

Their knowledge is a great aid and advantage in conquering unsolved problems.

Items that are left broken and unfixed may be symbolic of "broken" things or unsolved problems in your life.

Inheritance theory of ontologies is a very important unsolved problem.

How to control HCB and remove MC is an unsolved problem in the field of environmental science all over the world.

However, there are many unsolved problems in theory and actual construction for the non-stage face deck over 200 meters in inclined long. The main work of this paper is launching for these problems.

The electronic nose has been widely used in our life, but it's a unsolved problem that weather it can be used in life rescue.

The task of improving cultural soft power is advanced in the 17th National Congress of CPC, but how to improve and where the starting point lays still remain unsolved problems.

In this review the application, unsolved problems and prospect of the technology in pathogenic bacteria detection are introduced.

In the end the unsolved problem and going-on direction of this research are illustrated.

Rural poverty and chronically distressed regions continue to present policymakers with unsolved problems.