And I haven't offered it in quite a while now, so I doubt you ever studied that period on the college level.
我已经很久没教过这门课了，所以我怀疑你在大学阶段可能没有学过关于那个时期的内容。
Dust storms very probably happen on hot summer days, and it's not safe for people to travel during this period.
沙尘暴很可能发生在炎热的夏天，在这个时期人们旅行是不安全的。
Other mechanisms would be more likely to have taken place more gradually, over an extended period, or at different times on different continents.
其他机制更可能是较为循序渐进的，在更长时间段或在不同的大陆上的不同时间发生。
It is, true, the period of his life that established his name and fortune, that swift rise from undergraduate cabaret turn to star host on both sides of the Atlantic.
这真的是他生命中建立了他的名声和财富的阶段，他迅速从本科毕业的卡巴莱歌手崛起成了大西洋两岸的明星主持人。
Examining the period 1870-1920, Keyssar concentrates on Massachusetts, where the historical materials are particularly rich, and the findings applicable to other industrial areas.
Keyssar考察了1870-1920年这段时期，重点研究了马萨诸塞州，那里的历史资料特别丰富，研究结果也适用于其他工业区。
In fruit mature period, muskmelon had higher biomass in organic production system, but there was no significant difference on market yield in both systems.
果实成熟期，甜瓜在有机生产体系中生物量较高，但两种体系的市场产量差异不显著。
To test the idea, caged night-migrating birds were placed on the floor of a planetarium during their migratory period.
为了验证这个想法，这些在夜晚迁徙的候鸟被关进笼子里，并且在它们的迁徙期间被放置在一个天文馆的地面上。
White said his team wanted to see whether living in greener urban areas had a lasting positive effect on people's sense of well-being or whether the effect also disappeared after a period of time.
怀特说，他的团队想知道生活在绿化较好的城市地区是否会对人们的幸福感产生持久的积极影响，还是说这种影响会在一段时间后就消失。
Rogers found that a chick's lateralisation depends on whether it is exposed to light before hatching from its egg—if it is kept in the dark during this period, neither hemisphere becomes dominant.
罗杰斯发现，小鸡的偏侧性取决于它在孵出蛋之前是否暴露在阳光下——如果在这段时间里保持黑暗，右脑或左脑都不会占优势。
A huge storm that collapsed part of a cliff on Israel's central coast led to the discovery of a statue dating back to the Roman period, the Israel Antiquities Authority said Tuesday.
以色列古物管理局周二表示，一场巨大的风暴摧毁了以色列中部海岸的一处悬崖，使得一尊罗马时期的雕像被发现。
They may focus on a certain country or a certain time period when they begin their collections.
当他们开始收集时，他们可能会关注一个特定的国家或特定的时间段。
Some 43 new reptile species were found on New Guinea during the report's ten-year period, including this giant bent-toed gecko.
在这份报告的十年间，在新几内亚发现了43种新的爬行动物，包括这种巨人弯趾壁虎。
You will have a period of time to relax and then set out on your new journey.
你将有一段时间来放松，然后开始新旅程。
"When I planted the fern and bamboo seeds, I took very good care of them. Within a short period of time, the fern quickly grew from the earth," the old man went on.
“我用心播种这株蕨类植物和竹子。在很短的时间里，这棵蕨类植物很快就从地里长出来了。”老人继续说。
During the second rainy period, the dunes were kind of chopped up at the top, full of hollows and ridges, and these hollows would've captured the rain right there on the top.
在第二次雨季，沙丘的顶部被砍伐了，到处都是凹洞和山脊，这些凹洞正好在顶部吸收了雨水。
On the whole the period of which I am writing was for me one of ecstatic excitement.
整的来说，我这一段写作的时期，对我来说是一段心醉神迷的时期。
Over that period, spending on consultancy increased by a third.
在那个时期，在咨询业务上的花费增加了三分之一。
If your log was not collected over a fixed time period, zooming in on a set time period will ensure that the total is shown only for that period.
如果在固定的时间段内没有收集日志，则放大该设置的时间段将确保只显示该时间段的总数量。
Calls to ambulance services in the first four hours of 2008 rose dramatically: in London, for example, by 16% on the same period in 2007, and by 30% on 2006.
2008年的头四个小时，打电话叫救护车的人极剧增加：与2007年同期相比增加了16％，而与2006年同期相比则增加了30％。
Patient reports on the period of attachment usually underestimate actual time of attachment.
患者报告蜱虫附着的时间时，经常低估实际的附着时间。
I strongly disagreed, and in the end we compromised on a six-month transition period.
我表示强烈反对。最终我们达成妥协，同意有一个六个月的过渡期。
Each iteration should have a clear duration based on a time period or milestones achieved.
每次迭代应该具有基于时间范围或实现的里程碑的明确持续时间。
A second experiment zoomed in on the age period of two to three years, to see how colour preferences changed during this crucial year.
第二个实验重点关注二到三岁这个年龄段，看在这个关键的一年颜色偏好是怎么变化的。
No wonder they end up looking back on the period of adversity with nostalgia.
这也就难怪最后他们怀旧地回望当初的艰苦岁月。
A corporation generally has a grace period on its debt payments before a credit event is declared and protection is paid off.
对于公司的信用违约掉期而言，在申明该公司发生了违约事件并赔付补偿金之前，对其债务偿付都有一段宽限期。
If the aim is to speed up individual transactions, then zooming the GC log in on the period of a transaction will give suitable information.
如果目标是加快各个事务的速度，则在某段事务上放大gc日志将会提供合适的信息。
It calculates statistic averages for memory, paging, and CPU activity on a sampling period of a length specified by the user.
它将计算用户指定的采样时间内的内存、分页和CPU活动的统计平均值。
It calculates statistic averages for memory, paging, and CPU activity on a sampling period of a length specified by the user.
它将计算用户指定的采样时间内的内存、分页和CPU活动的统计平均值。
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