with the coming of the knowledge economy and the emergence of many new high-tech enterpr**es and high-tech enterpr**es in mergers and acqu**itions, bankruptcy and liquidation acts frequent, high-tech ...
1.environment protection ** the most important socio-economic **sue which concerned by people all of the world,but also a major research of science and technology field.environmental science ** a com...
in recent years,the absolute number of introducing foreign direct investment in china ranked first in the world.currently,foreign direct investment has become ...
armored vehicle manufacturing quality and armored ** an important part of the armored vehicle, which ** a all closed shell structure welded of rolled homogeneous armor plates at a certain angle.th...