A phenomenon that we often observed in process models is the occurrence of dangling inputs and outputs, i.e., inputs and outputs of an activity or gateway that remain unconnected in the model.

流程模型中出现的一个常见现象是悬空输入和输出，即模型中保持未连接状态的活动或网关的输入和输出。

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However, in the construction process, appear easily asphalt pavement of segregation phenomenon, and sometimes even appear smooth road or have juncture appear.

然而，在施工过程中，沥青路面极易出现离析的现象，有时甚至会出现路面不平整或者有接缝出现。

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Improper forging process will also appear large grain or uneven, hardening crack phenomenon, forging cost is higher than the casting flange.

锻造工艺不当也会出现晶粒大或不均，硬化裂纹现象，锻造成本高于铸造法兰。

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Top recording artists serve as your guide as they discuss, for example, what makes jazz such an important American phenomenon, what the song-writing process is like or how one genre of music has deeply affected another.

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