Understanding of basic Project Management skills, balancingtime, budget and scope;
了解项目管理的方法，需求，及相关的管理技巧；
2
This paper introduces the design of taper bore flame hardening machine, fixtures, nozzles block and the methods to determine hardening temperature and phase balancingtime.
介绍了内锥孔火焰淬火机床、工装和喷头的设计以及淬火加热温度和相平衡时间的确定方法。
3
The 4090 type dynamic mechanical track scale, mostly used at home, is taken as an example to analyze the error produced in its weighing in motion through calculation of balancingtime.