measurement accuracy of source activity 源活度的精确度
activity accuracy
活动的准确性
以上为机器翻译结果，长、整句建议使用 人工翻译 。
BodyMedia body monitoring technology has been clinically validated for accuracy in physical activity and calorie burn measurements, and for the ability to improve weight loss up to three times over behavioral support alone.
ENGADGET: BodyMedia's CORE 2 armband tracks your health, or lack thereof
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