1. The military satellite is viewed as multiplicator of battle effectiveness by military experts, due to its importance in modern high-tech wars.

2. The rated power is a relative multiplicator the shaft power multiplied by the safety coefficient in specific condition.

3. Lagrange the multiplicator law has been the people studies many mathematical objects.

4. The facts have testified that team cooperation could make the performance with multiplicator avail.

5. Compared with traditional reserve requirements, it is more simple and effective in implementing monetary policy for greater elasticity of monetary multiplicator.

6. The structure of the government investment is not really reasonable also is the important reason which the multiplicator unceasingly drops of the government investment.

7. Firstly, the paper introduced theory base of the study, explained what is Expo and Expo economy, expatiated on multiplicator effect and coefficient of input-output unit.

8. Because the leisure industry has strong correlation, it can bring the large multiplicator effect to the leisure industry investment.