为了能够快速响应多变的市场需求，在模具设计与制造过程中运用虚拟原型技术可以有效地降低模具制造和试模的成本，缩短制造周期。
To answer the requirement of changeable market during mould design making process the virtual prototyping technology can be cut down the cost of mould making test mould and shorten making period.
用这种方法不仅能使粗纱伸长率的测量变得十分方便，而且还可使粗纱的试纺周期大大缩短。
Using this method can not only be convenient to measurement of roving stretch rate, but also shorten the testing spinning cycle of the roving.
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