平均寿命

But back then, he notes, the average life expectancy was about 30 years.

但回到当时，他指出，人的平均预期寿命约为30 岁。

Average life expectancy has risen from 36 years before liberation to 65 years at present.

平均期望寿命已由解放前的36岁提高到目前的65岁。

What's the average expected life span of human being?

人的平均期望寿命是多少？

More people are living 100 years, and average life expectancy from birth in these countries is about 76 years.

在这些国家，超过100岁的老人增多，平均预期寿命是76岁左右。

In 2000 the average life expectancy was 74 years old, has reached the level of developed countries.

2000年的预期寿命平均为74岁，也基本达到发达国家水平。

I am not the beekeeper of the family -- my wife and two of my kids handle that role -- but I've learned some surprising things in the past two or three years.

但在过去的两三年中我了解了蜜蜂身上一些让人惊讶的东西。夏季蜜蜂的寿命平均为六个月。想想看，那意味着每两个月蜂巢就会完成一次自我复制。

China's life expectancy rose from 35 prior to 1949 to 72 years old, exceeding the average level of middle-income countries.

人均寿命从1949年前的35岁上升到72岁，超过中等收入国家的平均水平。

Of the life of the general corpus luteum 12-16 days with an average of 14 days.

一般黄体的寿命为12-16天，平均为14天。

It is significant for adjusting drill pipe sequence to improve average life of drill string.

该研究结果对于现场提高钻柱的平均使用寿命具有重要的工程理论指导意义。

Using relativistic multi-configuration Dirac-Fock theory,we calculate the transition data of 3dj-nfj'(n=5,6,7) for the M-shell from an Ni-like Au ion to an As-like Au ion using the GRASP programme with the corepolarization,quantum electrodynamical effect and Breit correction.

根据扩展的相对论多组态Dirac-Fock理论计算得到的Au^47＋～Au^53＋离子的平均离子寿命、能级能量和能级简并度，计算了各离子的电离速率常数、复合速率常数和配分函数，并由此得到了离子间的电离-复合平衡常数。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。