So grab your Rectangular Marquee Tool (m) right click on the image and select Color Range.

因此，抓住你的矩形选框工具(中)在图像上点击右键并选择颜色范围。

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The main functions of the CBSCAD system include: 1. drawing enough graph elements: line, rectangular, arc, ellipse, curve and text and so on;

CBSCAD系统主要功能有：1．相对完善的图形元素：直线、矩形、圆弧、椭圆、自由曲线及文本等的交互绘制。

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Besides that several critical modules in the design has made a detailed introduction, which is High accuracy controllable regulated power supply design, precise rectangular wave production and so on.

对设计过程中需要用到的几个模块做了详细介绍：高精度可控稳定电源设计、精密矩形波的产生等。

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It could be a couple of years before a dramatically new form factor hits the market for wireless communication, maybe involving wearable devices, and so Samsung and Apple must innovate as best they can on that old rectangular canvas.

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