You can test each activity in isolation.

你可以单独测试每个活动。

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In that case, you should test each component in isolation first before combining components to perform integration testing.

在这种情况下，应该首先单独测试各个组件，然后将组件组合在一起执行综合测试。

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This will let you test your target service in isolation.

这将允许您对目标服务进行单独测试。

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The Mars-500 mission at Moscow's Institute of Biomedical Problems will test the psychological and physical effects of long-term isolation on humans.

VOA: standard.2010.06.02

South Korea, separated from the North by the world's most heavily armed border, said the test launches would further deepen its neighbor's international isolation, sour public opinion in the South toward Pyongyang and hurt efforts to control weapons of mass destruction.

NPR: North Korea's Neighbors Weigh Response to Tests