The algorithms also check properties of objects that are higher in the object hierarchy, checking up the chain of parents to the top object.

规则同样会检查对象层级结构中上层对象的熟悉，检查顶级对象与父类的连锁关系。

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This includes removing any mineral deposits around the seat beneath the valve. Also check that the pull chain attached to the valve is not too short and holding the valve slightly open.

首先，确定让水位上升的砖头或者马桶清洁装置没有挡到阀门，让它不能正确关闭；然后清除挡水阀座周围的矿质沉淀物，检查连在挡水阀的拉管是不是太短，有没有把挡水阀拉得有轻微缝隙。

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Boot the nodes in the compute group and check their status, as shown in Listing 23, where the nodeset command updates the nodetype, bootparams, and chain tables.

引导计算组内的这些节点并检查它们的状态，如清单23所示，其中的nodeset命令更新nodetype、bootparams和chain表。

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Nissan approached Natural Capital because it wanted to do a check on its supply chain and how it impacts the environment.

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Several staff members visited chain stores to check on the placement of the product and to see how the shoes were selling.

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Check out Investment Quality Trends for a fast-food chain, a teen jewelry retailer and several financials with high yields and bargain prices.

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