Such exercise may be a primary factor in the prevention of heart and circulatory disease.

这种运动可能是一个主要因素在预防心脏和循环系统疾病。

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Waveform distortion is a primary factor affecting the measure precision of steady sine standard vibration calibration system.

波形失真度是稳态正弦标准振动台计量中影响计量校准精度最主要的因素。

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The temperature characteristics of trap based filter radiometer are a primary factor of affecting its precision and stability.

温度特性是工程应用中影响标准探测器绝对精度和稳定性的一项关键因素。

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Our results suggest that informational barriers were a primary factor in explaining this lack of adoption.

FORBES: Does Management Matter?

Dr. Jennifer Shu, a pediatrician at Children's Medical Group in Atlanta, Georgia, thinks this is a primary factor in the resurgence of whooping cough.

CNN: Vaccination role unclear in whooping cough outbreak

For both our online and our mobile app advertising platform, a focus on the user is a primary driving factor behind our impressive revenue growth.

FORBES: East Coast vs. West Coast: A False Distinction