The patient records contain a column that indicates whether they have one of the four heart diseases (y = yes) or not (n = no).

病人的记录中有一个列表明他们是否患有四种心脏病之一，y 表示是，n 表示否。

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N: No. We've had both good and bad times, but I wouldn't change anything - even if I could.

诺拉：没有。我们好日子坏日子都经历过了，但是就算可以，我也不想改变任何事情。

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Isabella Swan: N-No I want to drive, it will give me more time to think.

贝拉：不，我想开车，这样我有比较多的时间可以思考。

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This paper probes into the NH 4 + N, NO 3 - N concentration dynamics on DMPP (3,4 dimethylpyrazole phosphate) in vegetable soils under fertilized condition with aerobic cultivation.

采用好气培养法研究了新型硝化抑制剂3，4-二甲基吡唑磷酸盐（DMPP）对菜园土壤养分肥力的影响。

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This paper probes into the NH 4 + N, NO 3 - N concentration dynamics on DMPP (3,4 dimethylpyrazole phosphate) in vegetable soils under fertilized condition with aerobic cultivation.

采用好气培养法研究了新型硝化抑制剂3，4-二甲基吡唑磷酸盐（DMPP）对菜园土壤养分肥力的影响。

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