The disintegration and calculation included one-step method and two-step method which were different in calculation.
分解计算分“一步到位法”和“两步到位法”两种方式，计算时有所区别。
Methods Human capital method and two-step method were used in the calculation of economic burden of disease.
方法应用二步模型法和人力资本法对疾病的经济负担进行估算。
The structure design and the calculation of the sizes, heating power, linear swell value of hot runner system were discussed in detail. A two-step demoulding mechanism was also introduced.
详细介绍热流道模具浇注系统结构设计和尺寸计算、热流道板加热功率计算、热流道板线膨胀量计算及在设计时应注意的一些问题，并介绍了一种二级脱模机构。
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