流感疫苗通过导入一种杀死的流感病毒变种起作用，来训练身体的免疫系统识别这些变种并在将来遇到类似的入侵者时作出反击。

Flu vaccines work by introducing a killed version of circulating virus strains, which trains the body's immune system to recognize and attack similar invaders in the future.

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步骤5：在Classification Workbench中，以知识库结构的形式导入分类法，并训练它以便执行自动分类。

Step 5: in classification Workbench, import the taxonomy as a KB structure and train it for auto-classification.

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每当修改分类法时，必须重复第 4 步（发布到 ICM 和 OmniFind）、第 5 步（导入到 Workbench 中并进行重新训练）和第 6 步（导出到 ICM 服务器）。

Whenever the taxonomy changes, steps 4 (publish to ICM and OmniFind), 5 (import into Workbench and re-train), and 6 (export to ICM server) must be repeated.

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