Natural and organic - Although similar in concept, natural and organic have different meanings.
天然的和有机的产品——尽管是相似的概念，天然和有机是有着不同的含义的。
Although OSGi has a similar concept in the form of fragments, these are much less flexible in that they cannot themselves express dependencies.
虽然在OSG中的片段（frament）也是类似的概念，但不够更灵活，片段自己无法表达依赖性。
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