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。

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After the initial connection is created, there is very small overhead to transmit data either way.

创建初始连接后，两个方向的数据传输开销都非常小。

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It is recommended that you restrict audit logging to only those events that are really relevant to the business and omit all others to keep the amount of logging overhead as small as possible.

建议将审计日志记录限制为只与业务真正相关的那些事件并忽略其他事件，以便尽量减小日志记录开销。

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And yet the private insurance reimbursement model is literally built on a system of foisting huge overhead on small medical practices.

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On a recent trip, passengers scooted sideways down a 16-inch aisle, some slumped over so their shoulders didn't hit the small overhead bins and their heads didn't scrape the ceiling.

WSJ: Regional Jets: Are These Model Airplanes?

Since insurance is going to be sold on an exchange, there will be very little need for insurers to pay insurance agents, which will decrease the overhead significantly for the small group and individual market.

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