在分析阶段我们只需要为持续存储指定一个有意义的名字，而如何实现这个持续性的细节将在后面的设计阶段解决。
In analysis we need only to specify a meaningful name for the persistence store, but the details of how we achieve this persistence will be addressed later in design.
在指定持续时间/间隔值时将显示最小和最大值。
Minimum and maximum values get displayed when duration/interval value is specified.
根据可持续性生产标准，在指定林区内只有30%的林木用于野蚕生产，它们在生产之后修养三年。
Using sustainable harvesting norms, only 30% of the allocated forest area is used for silkworm harvesting and then is left alone for three years.
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