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Toy is indispensable for everyone in life. It's a carrier of culture and also a collateral product which can not be ignored. Since ancient time, intelligence toy is a kind of toy which is the source of innovation and entertainment for people. This thesis hopes to study the value of toys, especially the value of intelligence toys, for the purpose of arousing more attention to the toy design and development...
Civil Engineering standards are the technical principles, targets and principles of the limits of the application in field of Civil Engineering. And they are the basic principles to engage in Civil Engineering. Comparatively studying on standards system, management system for standards and operation system for standards in the field of civil engineering between China and Europe , we can learn the...
Since reform and opening up, labor force factor in China has witnessed three major transfers among the three industries and different regions. Labor force is an active input factor in economic operation and its allocation among the industries and regions is a direct embodiment of economic operation efficiency. In this context, empirical study on the effects of labor force resource allocation in China...
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