If you have to cover 12 chapters in American history, begin by planning on three two-hour reviews with four chapters per session.
如果你必须涵盖美国史的12个章节，首先计划3次2小时的复习，每次4章。
In other experiments, two different birds, called Pierre and Corbeau, also made the first approach with tools on three separate occasions.
在其它实验中，两只不同的鸟——皮埃尔和科布，也在三个独立场景中利用了工具进行初次接触。
There was a couple on the second floor, and two women and three kids on the ground floor, but no one was badly hurt.
二楼有一对夫妇，一楼有两名妇女和三个孩子，但没有人受重伤。
Another realistic touch was using three-dimensional objects on the set, like rocks and bushes as opposed to two-dimensional painted scenery.
另一种现实主义手法是在布景中使用三维物体，如岩石和灌木，而不是二维绘制风景。
Now let us construct two three-member sets based on the results.
现在让我们根据结果构造两个三成员集。
By pumping more than 1 million barrels a day from the reserve for the next two three decades, lobbyists claim, the nation could cut back on imports equivalent to all shipments to the U.
游说者声称，如果在未来二、三十年内，每天从该保护区开采100多万桶石油，美国可以减少相当于其出口石油总量的石油进口量。
Italy's university system is based on a three-year degree, then a two-year master's course.
意大利的大学系统是以一个三年的大学学位课程和两年的硕士课程为基础。
It moves around on three wheels and waves its two little arms to show surprise and love, or to ask for a hug.
它用三个轮子四处走动，并挥舞着它的两个小手臂来表示惊讶和爱，或者索求拥抱。
Three hours later, only two dishes were served on the table—a salad and a pancake in a strange shape.
三个小时后，桌上只有两道菜——一份沙拉和一份形状奇特的煎饼。
As the guide was showing us round the museum, two or three foreign tourists joined themselves on to our party.
导游领着我们参观博物馆时，有两三个外国游客也加入了我们的行列。
I'm the only one of the three Murakami translators who's worked with the other two translators on projects.
我们三个翻译村上春树作品的人中，只有我和其他两个都在同一个项目中合作过。
I usually advise not putting more than two or three queue managers on a server, though, because after that the operating system tunables start to be impacted.
我通常建议不要在一个服务器上放置两个或三个以上的队列管理器，因为这样做以后，操作系统的可优化性将开始受到影响。
And we want to bring happiness to the people on our shows for one or two or three hours.
因此，我们想通过一小时，或两三个小时的演出，能够给大家带来快乐。
He says the brains of all people - and some animals - can tell the difference between, say, two cookies and three cookies on a plate.
他说，人类的脑部——还有一些动物的脑部——能够分辨出碟子上两个曲奇和三个曲奇之间的区别。
None of his three sons has learned this skill; two are working on construction sites in Pune and Mumbai.
他的三个儿子都没有学到这个技能，有两个在浦那和孟买的建筑工地上干活。
They explore this theory with three studies, two on helping behaviours and one on aggression.
他们用三项研究探索了这个理论，其中两项关于助人行为，一项关于侵犯。
He sentenced Roger to three years on one charge and two years on the other, and suspended the three-year sentence because of his cooperation.
他判处罗杰为一项罪行服刑三年，为另一项罪行服刑两年，由于罗杰比较合作，有三年的刑期被暂缓执行。
Figure 1 shows an example with three clusters across two nodes, where each node contains three cluster members and each cluster has two members (one on each node).
图1展示了一个跨两个节点的三个集群的示例，其中每个节点包含三个集群成员，每个集群拥有两个成员(一个节点上一个)。
Start out conservatively, with just a few—maybe two or three—on each table in your database.
开始时要小心谨慎，在您的数据库中的每个表上只使用少量索引 —也许只用两到三个。
Doing an unaligned load requires two or three instructions, depending on the size of the data.
根据数据大小的不同，进行未对齐加载需要两个或三个指令。
China has three operational DAMS on the river's headwaters in Yunnan and two more are being built.
中国在云南上游流域有三座正在运行的水坝，目前在建的还有两座。
For three weeks, both groups were placed on the same restricted diet of three meals and two snacks a day.
三个星期，给这两个群体相同的一日三餐和两个小吃每天限制饮食。
The result: a load that would have required 10, 20, and even 30 servers can now be affectively run on just two or three machines in many cases.
其结果是：大多数情况下，曾经许多10台、20台甚至30台服务器才能满足的负载，现已可高效地仅运行于两三台设备上。
Buyers and sellers agree on a price two to three months before the sale takes place.
购买者和出售者会在正式成交前花两到三个月商定价格。
How can you visualize the three-dimensional hub on a two-dimensional computer screen?
您怎样在二维计算机屏幕上设想三维的中心？
Two - and three-story buildings are going up on every block.
每个街区里不断有两三层高的建筑拔地而起。
Depending on your browser, you'll get two, three, or even four alerts before the form stops popping up alerts.
根据浏览器的不同，在表单停止弹出警告之前会看到两次、三次甚至四次警告。
Based on my testing, one-hour queries run in two to three minutes with IWA.
根据我的测试，使用了IWA后，为时一小时的查询只需要三分钟即可完成。
Based on my testing, one-hour queries run in two to three minutes with IWA.
根据我的测试，使用了IWA后，为时一小时的查询只需要三分钟即可完成。
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