Two dimensional fatigue loading under various working conditions is synthesized with weight coefficient method to obtain joint probability density function under multiple working conditions.

对各工况下的二维疲劳载荷，采用权系数的方法，合成并获得了多工况下的二维载荷联合概率密度函数。

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Multiple circuit designs are available for different working conditions to reduce water resistance and improve heat-exchange efficiency.

多资回路资 并 减 资，适资不同 行工 ，降低水阻力，提高资资效率。

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Eventually, fewer and cheaper sensors should do the trick, but Google and other researchers are still working out how to combine readings from multiple sensors, and determining which sensors work best in conditions such as night driving or heavy rain.

ECONOMIST: Inside story