通过将单个步骤的复合动作放到从来不会从页面消失的单个选项卡内，新的结帐路径总是可以让用户明确方向。
By placing the compound actions of an individual step within a single TAB that never disappears from the page, your new checkout path keeps users oriented.
这种类型的访问路径被称为使用复合排序的嵌套循环联接(NLJOIN)。
This type of access path is referred to as a nested loop join (NLJOIN) with sort composite.
方法：应用临床路径方法测算烧冲复合伤病种的医疗费用，提出成批伤员救治经费准备标准。
Methods: Measured the medical cost by clinical pathway method and proposed the fund standard for curing batch of the wounded.
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