A helicopter hovered overhead as one of the gang made a run for it.
那伙人中的一个逃跑的时候，一架直升飞机在头顶上空盘旋。
She hatched chicks with either strong or weak lateralisation, then presented the two groups with food hidden among small pebbles and the threatening shape of a fake predator flying overhead.
她孵化出了具有强侧向或弱侧向的雏鸡，然后为这两组小鸡准备了隐藏在小鹅卵石中的食物，还制造出假的掠食者飞过头顶的威胁形状。
At the end of the video, the camera spirals around the building overhead as the broad logo appears on the screen: a lowercase b that wraps around itself in an imitation of the @ symbol.
在视频的最后，摄像机绕着建筑物盘旋在头顶，很大的标志出现在屏幕上：一个类似于@的符号围绕着一个小写的b。
There was a big moon and hundreds of stars were shining overhead.
头顶是一轮明月和成百上千颗闪烁的星星。
The overhead light was covered now with a white globe.
顶灯现在被一个白色的球状物罩了起来。
一架飞机从头上低空飞过。
There's a second figure here standing ab extra, and that's the moon hovering overhead: "while over-head the moon / sits arbitress."
这里有第二个置身事外的角色，就是高高挂在头顶的月亮：“月亮高挂天心，像个公正的决断人。”
Prairie dogs may be able to tell you about a hawk that's circling overhead right now, but they never show any inclination to describe the one they saw last week.
草原土拨鼠也许能告诉你现在有一只鹰在头顶盘旋，但从未表现出任何意愿去描述上周看到的鹰。
They also proved that, in principle, the overshot wheel, a type of wheel in which an overhead stream of water powers the wheel, should win the efficiency competition.
他们还证明，原则上，打捞轮（一种由高架水流驱动该轮的轮）应该会赢得效率竞争。
A number of birds are circling overhead.
很多鸟在头顶上空盘旋。
Overhead may be high and circulation lower, but rushing to eliminate its print edition would be a mistake, says BuzzFeed CEO Jonah Peretti.
BuzzFeed首席执行官乔纳·佩雷蒂表示，管理较低发行量的费用可能很高，但急于取消其印刷版将是一个错误。
There was a lowering sky overhead, sloppy ground under foot, and a winter chill in the air.
头顶上是低沉的天空，脚下是泥泞的地面，空气中弥漫着冬日的寒意。
It seems to me that a compromise would be receiving the exam questions a day or two in advance, and then doing the actual test in class the ticking clock overhead.
在我看来，一个折衷的办法是提前一两天收到考题，然后在课堂上计时做实际的测试。
In each classroom there is a computer, an overhead projector, and a smart white board.
每个教室里都有一台电脑、一台投影仪和一块智能白板。
A multi-storey facility with no natural overhead light would require far more.
上方没有自然光的多层建筑需要更多的照明。
A helicopter roared overhead and our son came in and told me he was scared.
一架直升飞机在头顶呼啸，我们的儿子跑进来并且告诉我他很害怕。
This does involve a performance overhead.
这确实是一笔性能开销。
This will create a large overhead of allocation and deallocation of agents upon reaching transaction boundaries, which defeats the purpose of the connection concentrator.
这样会导致到达事务边界时的代理分配和解除分配这一巨大开销，这会影响连接集中器的功能。
He looks up -- sees one cross a limb overhead.
他向上看——看见一个黑影掠过头顶的树枝。
While caching can reduce a lot of the overhead, there is still a lot going on.
尽管缓存可以减少大量的开销，但是仍有许多其他问题。
A function call would take way too much overhead for a simple operation.
对于这种简单的操作来说，函数调用的开销太大。
When a trace node is invoked, it results in a processing overhead even if it does not write trace data.
在调用跟踪节点时，即使它不写跟踪数据，它也会产生处理开销。
It is a system overhead and must be simple to operate, high performing, and cost-effective.
它是一种系统开销，所以必需要操作简单、高效和经济的。
A synchronous API is easy to use and can be made to have a low overhead.
同步api易于使用并且开销较低。
If you have food in the refrigerator, clothes on your back, a roof overhead and a place to sleep you are richer than 75% of this world.
如果你冰箱里有食物，身上有衣服可穿，有屋篷遮蔽，有地方睡觉……那么，比起世界上75%的人来，你真是富足多了。
In this case there is greater separation between the application and queue manager but at the cost of a performance overhead.
在这种情况下，应用程序和队列管理器之间的分离状况更好，但在性能方面会有所损失。
The trace facility aimed to provide a low-overhead, high-performance, configurable tracing mechanism for the virtual machine itself.
这种跟踪设施的目的是为虚拟机本身提供一个低开销、高性能、可配置的跟踪机制。
There's a certain amount of overhead and bookkeeping involved in simulating a synchronous interaction between two applications.
在模拟两个应用程序之间的同步交互时，涉及一定量的开销和进行一些簿记。
At last, a true low-overhead online table reorg capability.
最后，一个真正的低开销在线表格重组功能。
A TCP handshake while establishing and tearing down connections can be a huge overhead that is best avoided if possible.
在建立和拆除连接的过程中，TCP握手可能会带来巨大的开销，当然最好能够避免这个开销。
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