It also illustrated how to add compensation in a workflow and how to trigger compensation services.

还举例说明了如何在工作流中添加补偿以及触发补偿服务。

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With auto scaling, you decide how many instances of your application you want running and how to trigger each new instance.

使用自动伸缩功能，能够决定要运行多少应用程序实例以及如何触发每个新实例。

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Though scientists do not know how exactly how placebos work, they have accumulated a fair bit of knowledge about how to trigger the effect.

虽然科学家还不确定安慰剂效应的具体原理，但他们也已经积累了一些相关知识，知道如何触发这些效应。

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At each of these stages, the researchers tested the nuts to assess how likely they were to trigger an allergic reaction.

BBC: New technique for safer peanuts

For instance, Unilever scientists have spent five years working with yeast cells that replicate human taste receptors, and then extracting substances from food to see how they might trigger these receptors.

FORBES: On The Cover/Top Stories

His manual on how to blog in the language helped trigger a huge boom in Persian voices on the internet.

BBC: Twitter page in Farsi