With the use of classic mechanics, there are too many hypothesis and predigestion in the calculation of complex structures, so the veracity of results is not very good.
采用的经典力学计算时，对于复杂结构的计算中采用的假设和简化太多，结果的准确性相对较差。
2
This paper discusses a method to reduce calculation load by means of layered searching construction of association hypothesis events.
本文从联合关联事件的构造出发，讨论关联假设事件的分层构造，以达到降低计算量的目的。
3
With the condition of the basic hypothesis, the approximate calculation formula was worked out on the gas folwing speed in the tubular centrifugal ventilator.