Maslow's "demand level theory" has announced the different levels of the human demand.
马斯洛的“需求层次理论”揭示了人类需求的不同层次。
These are the technological routes that adopted. Traditional motivational theories include demand level theory, dual factors theory, theory of expecting, aggrandizement theory and setback theory.
传统的激励理论包括需求层次理论、双因素理论、期望理论、强化理论和挫折理论，这些理论自成一说，相互补充。
A traffic flow wave theory is used to calculate queuing length according to different crowded level, crowded time and variant demand volume.
按照阻塞程度、阻塞时间及变动的需求流量等已知条件，采用车流波动理论推算排队向上游延伸的最远距离。
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