You design it by selecting a number of primary data records from the information domains to be covered.
可以通过从涉及的信息域中选择一些主要数据记录进行设计。
Imagine putting the Numbers 1, 2, and 3 in a hat, shaking it, selecting a number, and recording the selected number for that trial.
想象把数字1、2和3放进帽子里，摇一摇，选一个数字，然后记录所选的数字作为一次尝试。
Imagine putting the Numbers 1, 2, and 3 in a hat, shaking it, selecting a number, and recording the selected number for that trial.
想象把数字1、2和3放进帽子里，摇一摇，选一个数字，然后记录所选的数字作为一次尝试。
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