Objective To investigate the relationship between abnormal fetal heart rate (FHR) tracing patterns during the first stage of labor and perinatal outcome.

目的探讨第一产程异常胎心监护图形与新生儿结局的关系。

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It also introduces some new tracing constructs that I'll detail in the context of source code instrumentation to clarify their actions and their implementation patterns.

文章还介绍了一些新的跟踪结构，我将在源代码插装的上下文中阐明它们的操作和它们的插装模式。

youdao

Now that I've outlined the performance data tracing API, its underlying data types, and the patterns of data collection, I'll present some specific use cases and examples that put the API to work.

现在，我已经介绍了性能数据跟踪api、它的底层数据类型和数据收集的模式。接下来，我将通过一些用例和示例来演示api的应用。

youdao

Tracing patterns with the head of a pin.

NEWYORKER: On Beauty

My interactive visualization, based on IRS data, illustrates these patterns by tracing inward and outward moves for every county in the country.

FORBES: Migration in America