平均寿命

And hence the mean lifetimes of the two brands of engines, are equal.

也就是说,两种牌号引擎的平均寿命是相等的.

Scandinavia's citizens also live long lives, with average life expectancy of 79.

斯堪的纳维亚地区的居民寿命也更长, 平均寿命为79岁.

We would report that the mean life of the company's batteries is 36 months.

我们可以向经理报告,该公司所产电瓶平均寿命是36个月.

The average age of the 70 people is 57.74.

70人的平均寿命为57.74岁.

The average life span of a major league baseball is 5-7 pitches.

大联盟用的棒球平均寿命只能被投五到七次?

With the average lifespan, marriage and childbearing ages all continuing to rise.

鉴于平均寿命 、 适婚年龄、和生育年龄持续上升.

The average dollar bill has a life span of about 18-22 months.

美元纸币的平均寿命是大约 18-22 个月.

The average lifespan of the worm is 21 days.

该蠕虫的平均寿命为21天.

Eagle is the world's longest life expectancy of birds.

鹰是世界上鸟类中平均寿命最长的.

The average span is only seventy odd years worldwide.

地球人类目前平均寿命只有七十几岁.

Today the average life expectancy is 56.

今天的平均寿命是56年.

Black life expectancy has soared from 34 in 1900 to 73 today.

黑人平均寿命从1900年34岁跃升到现在73岁.

Captain tell you the life expectancy for pilots around here?

上校告诉你们飞行员的平均寿命有多长 吗 ?

Life expectancy is now 75.5 years.

现在的平均寿命已达到75.5岁.

Even so , the life expectancy rate has increased since last year.

不过, 国人平均寿命比前一年成长了.