并且这些数字很可能被低估,因为这些数字是基于现在的平均寿命,而不是基于将来的平均寿命来计算的。
And the figures are probably an underestimate because they are based on life expectancy as it is now, not as it will be in future.
报告也通过计算得出,如今的空气污染将可能导致新生婴儿的平均寿命缩短6个月。
The report also calculated the air pollution was likely to shorten the life of a baby born today by six months on average.
考虑钻机(水)龙头和转盘主轴承工作载荷的模糊性及可靠性要求,应用模糊数学基本原理求得平均计算载荷,从而计算出主轴承的模糊可靠性寿命。
The mean value of work loads on a shaft bearing of swivel and rotary table is determined by basic principles of fuzzy theory, considering the loads' fuzziness and the requirement for reliability.
讨论了由发泡和消泡曲线计算平均发泡寿命的方法。
Then the method of calculate of the average foam lifetime with foam and rupture curves was discussed in details.
考虑钻机水龙头和转盘主轴承工作载荷的模糊性及可靠性要求,应用模糊数学基本原理求得平均计算载荷,从而计算出主轴承的模糊可靠性寿命。
The mean value of work loads on a shaft bearing of swivel and rotary table is determined by basic principles of fuzzy theory, considering the loads' fuzziness and the requirement for reliability.
利用模糊数学方法,通过模糊综合评判,确定了转臂轴承的模糊平均当量动载荷,并计算了转臂轴承的模糊可靠性寿命。
Fuzzy average equivalent dynamic load of arm bearing is calculated by using fuzzy mathematics method and fuzzy comprehensive evaluation. Fuzzy reliability life of arm bearing is calculated.
2001年,婴儿夭折率以每千名活产婴儿计算为2.7;至于出生时的平均预期寿命,男性为77岁,女性为82.2岁。
In 2001, the infant mortality rate was 2.7 per thousand live births and the average life expectancy at birth was 77 years for males and 82.2 years for females.
在疲劳断裂非平衡统计理论的基础上,推导出了在海洋腐蚀条件下微裂纹的平均寿命的计算公式。
A formula of fatigue life for materials in seawater is derived based on the non-equilibrium statistical theory of fatigue.
针对有限样本条件下,大型复杂系统平均寿命评定的蒙特卡罗法,提出利用MATLAB进行抽样模拟,大大提高了计算效率,对工程中大型复杂系统平均寿命评定具有重要应用价值。
According to Monte Carlo sampling simulation method of MTTF, MATLAB is to be used in sampling simulation, which greatly increases the computing efficiency. It is very important for engineering ap...
针对有限样本条件下,大型复杂系统平均寿命评定的蒙特卡罗法,提出利用MATLAB进行抽样模拟,大大提高了计算效率,对工程中大型复杂系统平均寿命评定具有重要应用价值。
According to Monte Carlo sampling simulation method of MTTF, MATLAB is to be used in sampling simulation, which greatly increases the computing efficiency. It is very important for engineering ap...
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