MacKay first observed this effect on the wallboard of a BBC studio: the broadcasting staff had been annoyed by illusory shadows running up and down blank strips between columns of parallel lines.
Human task Manager supports multiple staff plug-in configurations in parallel; you can specify one per human task model.
Human Task Manager同时支持多个人员插件配置；您可以为每个人工任务模型指定一个。
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Although plenty of it staff members were available (augmented by contractors) to support parallel development iterations, business experts and analysts were in limited supply.