由于塑料得到大家喜爱，因此聚乙烯被广泛用于食品包装、人工接头和塑料瓶，它甚至可以用于制造香口胶。
By far the most popular plastic, polyethylene is used in grocery bags, artificial joints and plastic bottles. It's even found in chewing gum.
对不同焊接热输入下的6063铝合金焊接接头进行人工时效，分析其硬度分布和强度的变化。
Effects of artificial ageing on the hardness distributions and strength were analyzed for 6063 aluminum alloy joints welded by varying heat inputs.
将人工神经网络技术(ANN)引入点焊领域，建立了点焊工艺参数选择ann系统和点焊接头质量预测ann系统。
This paper proposes a procedure for artificial neural network (ANN) in spot welding, and establishes spot welding parameter selecting ANN systems and spot welding joint quality predicting ANN systems.
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