据国外一本SimTalk语言介绍书籍中的解释:7 N* X, `+ Q: M, E% K; V
Use the method "cont" to call the contents of the material flow objects and the container. & Q+ c9 A0 n; A$ u: k$ ~$ {, F
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cont方法准确指对象object的内容"content",也可以理解为容器"container"。"context"有上下文,语境的意思,在这里,cont不应该是context的意思