英语语法分析

This article presents the development of a milliwatt ultrasound power measurement system.

本文介绍了一种毫瓦级超声功率测量计的研制。

So, keep in mind that one milliwatt is just the same as saying 1 times 10 to the -3 joules per second.

所以，请记住1毫瓦，和1乘以10的- 3次方焦耳每秒，的说法是等同的。

These displays sip power, drawing just one milliwatt in a static state and 30 milliwatts when showing video.

这些显示屏能耗极小，静止状态时能耗仅1毫瓦，显示视频时能耗 [也不过]30毫瓦。