以新研制的USB接口水位变送器为例，结合USB协议和计算机基本原理，对设备软、硬件设计进行了深入分析，探讨了在数据采集设备中直接使用USB接口的实现方法。

For the newly developed water level transmitter with USB, on the basis of USB protocol and computer principle, the software and hardware of the instrument is analyzed in detail.

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高频交易的基本原理是利用巧妙的算法与超高速计算机来侦测并利用市场的动向。

The basic idea of HFT is to use clever algorithms and super-fast computers to detect and exploit market movements.

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这也是计算机动画所采用的基本原理。

This is the basic computer "keyframe" approach to animation.

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But the technology and the fundamentals and the ideas, it's pretty much exactly the same as we're using today in some of our modern computers.

但是那个时候的技术，基本原理，以及相应的想法与,现代计算机完全一致。

哈佛公开课 - 计算机科学课程节选