2 分钟

Wearable Step Counters Offer Exercise Leg Up 60-Second Health

    • 科学

High-tech pedometers do a decent job of counting steps accurately. Dina Fine Maron reports.

  • Scientific American, a Division of Springer Nature America, Inc.

High-tech pedometers do a decent job of counting steps accurately. Dina Fine Maron reports.

2 分钟

  • Scientific American, a Division of Springer Nature America, Inc.

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