Unlike meteorologists, however, they cannot rely on observations made in their own lifetimes.
然而，与气象学家不同的是，他们不能依靠自己有生之年所做的观察。
To limit the number of telescopes on Mauna Kea, old ones will be removed at the end of their lifetimes and their sites returned to a natural state.
为了控制莫纳克亚山上望远镜的数量，旧望远镜将在使用寿命结束时被移除，因此这些场地将恢复到自然状态。
Wiring or soldering those would take several lifetimes.
焊接和连接这些晶体管需要好几辈子。
You must be able to set the lifetimes for allocated objects.
必须给分配的对象设置生存期。
Two of them went down in the past year, and of the remaining 13, 12 are past their design lifetimes.
刚刚过去的一年中有两颗坠落，剩下的13颗中，有12颗已经超过了设计使用年限。
One seizure does not signal epilepsy (up to 10% of people worldwide have one seizure during their lifetimes).
一次发作并不意味着患有癫痫症(世界上高达10%的人一生中会有一次发作)。
In classical reliability theory, the lifetimes of systems and components have been assumed to be random variables.
在传统的系统可靠性的研究中，系统和各部件的寿命都看作随机变量。
It also stores the information about the cell as a whole, such as cell-wide security policy, ticket lifetimes, etc.
它还存储了单元的整体信息，比如单元范围的安全策略、票证有效期等。
An instance of ObjectRootsHelper is passed in to help the thread manage objects whose lifetimes exceed the iteration.
传入ObjectRootsHelper的一个实例帮助线程管理生存期超出迭代的对象。
Chunks allocated at about the same time by a program tend to have similar reference patterns and coexistent lifetimes.
程序在大约相同的时间里分配的块趋向于具有类似的引用模式和共存的生存时间。
Perhaps 300,000 people have flown a million miles or more in their lifetimes-equivalent to two trips to the moon and back.
或许有30万人在其有生之年飞行里程不少于100万英里，相当于前往月球来回两趟的旅程。
Perhaps 300, 000 people have flown a million miles or more in their lifetimes-equivalent to two trips to the moon and back.
或许有30万人在其有生之年飞行里程不少于100万英里，相当于前往月球来回两趟的旅程。
These men and women left an influence that could last well beyond their lifetimes and will not be erased or diminished with time.
这些人身后的影响，可以超越其生命，不会随着时光的流逝而磨灭或者消逝。
The past year has seen a change in American spending habits that many of us never thought we would see, at least not in our lifetimes.
去年，美国人的消费习惯发生了巨大的改变，这一改变是我们大多数人始料未及的，至少没想到它会发生在我们这一生中。
A: people living with HIV are 20 to 37 times more likely to develop TB disease during their lifetimes than people who are HIV-negative.
答：艾滋病阳性人群在其一生中感染结核病的几率要比未感染艾滋病毒的人高出20至37倍。
Nearly 9 out of 10 women overestimate how likely they are to develop breast cancer in their lifetimes, according to new study findings.
一份最新的研究结果显示，几乎有十分之九的女性会对自己一生中患上乳腺癌的危险估计过高。
At 400 kilometers, orbital lifetimes are usually measured in a few months without re-boost. At 200 kilometers this drops to a few weeks.
在400公里高的轨道上，不推进的话，卫星的轨道寿命通常是几个月，200公里高度的轨道寿命是几周。
Among the results are that households can hold a wider array of assets and also borrow more easily, so smoothing out their consumption over lifetimes.
后果之一是，家庭能够持有更多种类的资产并能够更容易地获得贷款，这使他们能够分散安排一生中的消费。
As economies become more sophisticated, it may make sense for consumers to take on more debt as a means of smoothing their consumption over their lifetimes.
随着经济变得更加复杂，作为消费者来讲，为了使得他们在有生之年的消费更加平滑稳定，他们借更多债务是有其道理的。
It is quite possible that, within our lifetimes, atmospheric studies of these extrasolar planets will provide the first evidence of biological life beyond Earth.
在我们的有生之年，对于这些外太阳系行星大气层的研究，很有可能提供地球外存在生命的首个证据。
Hard drives were never intended for long-term storage, so they have not been subjected to the kind of tests used to estimate the lifetimes of formats like CDs.
硬盘从来不是为了长期储存数据而使用的媒介，这一工具从未接受过类似CD光盘之类的测试以估计其使用寿命。
Bill Stone: in my opinion, within our lifetimes, microbiological life will be shown to exist either on Mars or on Europa, or some other outer planet's watery moon.
比尔·斯通：在我看来，在我们的有生之日，将会看到微生物在火星、“欧罗巴”或一些外星的冰质卫星上存在。
Bill Stone: in my opinion, within our lifetimes, microbiological life will be shown to exist either on Mars or on Europa, or some other outer planet's watery moon.
比尔·斯通：在我看来，在我们的有生之日，将会看到微生物在火星、“欧罗巴”或一些外星的冰质卫星上存在。
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