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。

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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。

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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。

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Does a device draw more power when heavily used?

FORBES: Evaluating Energy Management Maturity: A Checklist for CIOs

More modern versions of the tool add in a laser beam projector, which allows builders to level out the device and "draw" a long line of light across a wall, indicating an exactly level surface.

FORBES: No. 18 The Level

Three high-performance MIPS computing cores--or brains--can be crammed into the same space within a phone or mobile device as a single Intel Atom mobile processor core without increasing the device's power draw.

FORBES: Magazine Article