Besides the low-level API, EF contains self-tracking entities.

除了底层的API以外，EF还包含自跟踪实体。

youdao

Modern self-tracking systems can measure our bodies, our minds, and our movements.

新式自我追踪系统可以测量我们的身体、想法和变动。

youdao

But with the abundance of self-tracking tools now on offer, everyday changes can become the material of careful study.

但是，应用现有这些庞大的自我追踪工具，每天的变化将会变成宝贵的研究资料。

youdao

Their resource page includes close to 350 applications you can use to indulge in self-tracking.

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Now comes a phenomenon known as the Quantified Self, or self-tracking, which posits a sort of truth in numbers.

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Markoff, like many a somewhat-serious athlete, is a fan of self-tracking tools.

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