To establish such a chronology, it is necessary to determine the relative amounts of land ice that existed at various times in the Earth's past.
为了建立这样一个年表，有必要确定地球过去不同时期存在的陆冰的相对数量。
How many visitors will be expected at various times?
在不同时段，预计有多少访问者？
At various times, we take breaks from the normal run of life.
很多时候，我们在正常生活节凑中会有一段时间的间歇。
We have worked with both static and dynamic languages, at various times.
我们都曾经在不同的时间和静态语言和动态语言打过交道。
For example, it was part of two other constellations at various times.
例如，在不同的时间它是两个不同的星座的一部分。
What if there were a way to auction off the right to use the road at various times?
如果有一种方式可以拍卖在各种时刻使用道路的权利呢？
He had done so much for me at various times that this was very little to do for him.
平常他老是帮我的大忙，比起来我做这点事情可实在算不了什么。
I've used these strategies at various times in my life and found them to be incredibly helpful.
我在我生命的不同阶段曾经用过这五个策略，我发现他们都十分的有用。
A number of theories have been put forward at various times as to the origins of the aspects.
对于相位的起源，在各个时期都出现很多的相关理论。
At various times, Thoreau earned a living by lecturing or working at his family's pencil factory.
很多时候，梭罗靠教书或是在他家族的铅笔厂工作谋生。
Siblings may also feel angry, anxious, lonely or sad at various times during the cancer experience.
他们在经历同胞患癌的各个阶段中，也会感到愤怒、焦虑、孤独和伤心。
This was an improvement, but the guns still went off at various times during the sounding of the buzzer.
这算是一项改进，不过听到响铃后开炮声仍是此起彼落。
At various times in history and over different periods, different clubs could claim to have the best fans.
历史长河中，不同的时期，不同的球队都可认为他们的球迷最好。
While many of us have asked ourselves these questions at various times in our lives, few people ever learn the answer.
尽管我们当中许多人都曾多次自问过这些问题，但却很少有人真正找到了答案。
Besides, there are people, for example diabetics, who do require food at various times to maintain blood-sugar levels.
此外，还有人，例如糖尿病患者，他们在不同时期需要食物来维持血糖水平。
Pyramids have been built at various times and places; the best-known are those of Egypt and of Central and South America.
金字塔建于不同的时代，分布于不同的地方，最有名的是埃及和中南美洲的金字塔。
That's an idea that struck people intuitively at various times in history, but they didn't know how to do these calculations.
在历史上,人们很多次,直觉地感知到了这一点,但是他们不知道怎么去计算
At various times in the geological past, many species have become extinct as a result of natural, rather than human, processes.
在过来不同的地质时期，许多的物种由于自然作用而非人类行为而灭绝。
At various times, Bryant has been called aloof, selfish, moody, arrogant. Those he allows to get close to him, say he's different.
在不同的时候，科比被称为冷漠，自私，喜怒无常，狂妄。他让那些接近他的人说他是不同的。
His neighbours in Nansana and Mukono, the districts near Kampala where he lived at various times, admitted that he could be generous and kind.
大卫·卡多曾于不同时期在坎帕拉附近的南萨那和木叩诺居住过，那里的邻居承认他非常友好，大方。
Changes to the treatment plan may be needed at various times during the course of bipolar disorder to manage the illness most effectively.
患者需要在双相情感障碍的病程中不断调整治疗计划已达到更好管理疾病的效果。
At various times, an IBM Support Specialist might ask you to collect a specific set of diagnostic information from your system (such as logs).
有时，IBM支持专家可能要求您从系统中收集特定诊断信息集合(如日志)。
So when clouds of volcanic ash drifted south over Europe from Iceland at various times in April and May 2010, many countries grounded all flights.
因此，在2010年4月到5月间，当火山灰云团从冰岛向南漂移到欧洲上空时，许多国家停飞了所有航班。
The procedure is usually well tolerated, but there is often a feeling of pressure, gassiness, bloating or cramping at various times during the procedure.
结肠镜检查的过程一般是可以接受的，但是还是会常有压力，胀气，腹胀或腹部绞痛的感觉。
At various times, subjects were also asked to describe what was going through their minds, or in the case of the nappers, what they had been dreaming about.
在试验各个阶段，受试者们会被问及他们心里的想法，而对那些选择小睡的受试者，会被问及他们做梦的内容。
Suppose we are interested in tracking the temperature and humidity levels of Seattle, Washington, at various times of the day over the course of a few months.
假设我们有兴趣跟踪几个月以来每天不同时间测得的华盛顿州西雅图的温度和湿度级别。
This is an extraordinarily interesting question, since they are a mixture of many different RACES, and all these RACES invaded Britain at various times from Europe.
这是一个格外有趣的问题，因为英国人是不同种族的混合休，这些种族都曾经在不同的时期，从欧洲不同的地方侵略过英国。
This is an extraordinarily interesting question, since they are a mixture of many different RACES, and all these RACES invaded Britain at various times from Europe.
这是一个格外有趣的问题，因为英国人是不同种族的混合休，这些种族都曾经在不同的时期，从欧洲不同的地方侵略过英国。
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