It is a service in itself but also a combination of sub-services.
餐厅本身是一种服务，但它又是由其他的子服务组合而成的。
The index is a combination of three sub-indices covering wealth, health and education.
该指数由3个次指标组成，涵盖了财富，健康和教育领域。
Process combination can also be used for sub-plate, polishing process is divided into treatment.
工艺组合后，也可用于分板、打磨工序的分成处理。
Process combination can also be used for sub-plate, polishing process is divided into treatment.
工艺组合后，也可用于分板、打磨工序的分成处理。
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