Functions that get (or create) and release (or destroy) a device context as we saw in earlier chapters, you need a handle to a device context in order to draw.
获得(或创建)和释放(或销毁)关联设备的函数-正如我们在前几章看到的，你需要关联设备的句柄以便绘制。
How to analyse this kind of signals and draw out their features to develop new protection device is an important research domain in the protection technology of power system all the time.
如何对这类信号进行有效分析，提取其特征，开发新型的保护装置，一直是电力系统保护技术中的重要研究领域。
The wearer can draw a circle on his or her wrist and the device will project a digital clock face.
佩带者在其手腕划一个圈，该设备便会映射出一个数字时钟盘面。
This paper introduced the design and working principle of the automatic sort device of cigarette draw resistance measuring instrument.
介绍了卷烟吸阻测量仪自动分拣装置的设计及其工作原理。
In this tutorial, we will draw a retro Star Trek style communicator, a voice communication device used in the original Star Trek series. We will combine layer styles and lots of manual drawing.
水平有限呀，只能大概介绍一下，在这个教程中，我们要画一个星际迷航风格的通信器，我们将会建很多图层，画很多。
In this tutorial, we will draw a retro Star Trek style communicator, a voice communication device used in the original Star Trek series. We will combine layer styles and lots of manual drawing.
水平有限呀，只能大概介绍一下，在这个教程中，我们要画一个星际迷航风格的通信器，我们将会建很多图层，画很多。
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