There were many important events in this period.
这一时期发生了许多重大事件。
Global measles deaths decreased by 78% during this period.
在此期间，全球麻疹死亡率下降了78%。
Throughout this period food became cheaper, safe and more reliable.
在此期间，食物变得更便宜、更安全、更可靠。
A lot of those cave drawings you have all seen come from this period.
你们看到的很多洞穴壁画都来自这个时期。
There is evidence of major ecological and geological changes during this period.
有证据表明，这一时期发生了重大的生态和地质变化。
It is vitally important that the patch developer is responsive during this period.
补丁开发人员在此期间反应灵敏是至关重要的。
More extended trading networks also helped develop Europe's economy in this period.
在这一时期，更广泛的贸易网络也促进了欧洲经济的发展。
Two doctrines embraced by the Supreme Court during this period extended the amendment's reach.
最高法院在此期间采纳的两种学说扩大了修正案的影响范围。
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。
Moreover, the percentage of assessed value that was paid as property taxes to the city did not change during this period.
此外，作为财产税上缴本市的评估价值的百分比在这段期间没有变化。
But some animals, after this period of exploration, exhibit behaviors that show they know they are looking at themselves.
但在探索阶段过后，某些动物的行为表明它们知道它们看见的是自己。
Economist Helena Leurent says this period of rapid change in manufacturing is a fantastic opportunity to make the world a better place.
经济学家海伦娜·洛兰特说，制造业的这一快速变化时期是一个可以让世界变得更美好的绝佳机会。
One of the most outstanding features at the beginning of this period was the prominence of Germanic generals in the high command of the Roman Imperial army.
这一时期初期最突出的特点之一是日耳曼将军在罗马帝国军队中的显著地位。
This chapter examines the "Golden Age" of the Hollywood film studio system and explores how a particular kind of filmmaking developed during this period in US film history.
这章考察了好莱坞电影制片厂系统的“黄金时代”，并探讨了美国电影史上这一时期一种特殊的电影制作方式是如何发展起来的。
The system of matrilineal clans was maintained throughout this period, even though some clans merged to form larger groups while others divided into smaller descent groups.
尽管一些氏族合并成更大的氏族，而另一些氏族则分裂成更小的氏族，但母系氏族制度在这一整个时期一直保持着。
During this period, researchers interviewed nearly 3,000 women, some of whom had learnt to read as children, some during the literacy crusade and some who had never learnt at all.
在此期间，研究人员采访了近3000名妇女，其中有些人在小时候已经学会了阅读，一些是在扫盲远征运动中学会的，还有一些从未学过阅读。
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。
It is principally during this period of stronger governance that CEO pay has been high and rising.
主要是在这段加强治理的时期，首席执行官的薪酬一直居高不下并不断上升。
Indeed, this period of economic weakness may reinforce class divides, and decrease opportunities to cross them—especially for young people.
的确，这段经济疲软时期可能会加剧阶级分化，减少跨越阶级的机会——尤其是对年轻人而言。
The temperature will rise quickly during this period.
在这段时间内气温会迅速上升。
During this period, did the weight of the glass change?
在这期间里，玻璃杯的重量有变化吗？
During this period of time, I learned a lot and felt a lot.
在这段时间里，我学到了很多，感受到了很多。
Cricket fighting is a popular game for some people in China during this period.
在这个时期，斗蟋蟀这一游戏在中国一部分人中很受欢迎。
I can make full use of this period to improve my skills and develop this traditional handicraft online," she said.
她说：“我可以充分利用这段时间来提高自己的技能，线上推广这一传统手工艺。”
"We know that people from this period took funeral rites very seriously", said Kamila.
卡米拉说：“我们知道这一时期的人们非常重视葬礼。”
A lot needs to be done during this period.
这一阶段期间需要做大量的工作。
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