通过采用雷达和激光来观测附近船舶和波浪的运动，数控吊车可以精确的预先判断出船舶的起伏位置，从而采取相应的反应。
By measuring the motions of nearby waves and vessels with radar and lasers, the software running a crane can predict exactly how a ship will be pushed, and react accordingly.
Executor 类实际上 充当着一个提供 Executor 实现实例的共同位置，但它只有 new 方法（例如用于创建新线程池）；它没有预先创建实例。
The Executor class does serve as a common place to get Executor-implementing instances, but it only has new methods (to create a new thread pool, for example); it doesn't have precreated instances.
一些电动座椅具有记忆功能，可使座椅调整到预先设置的位置。
Some power seats have a memory feature that will return the seat to a previously programmed position.
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