Use the Pen Tool to trace that part as illustrated in the image below.
像下图演示的那样，使用钢笔工具描绘这一部分。
Of the panel, use the Pen Tool to trace the part shown in the image below.
现在我们要开始描摹正面的前板，使用钢笔工具来描绘下图指示区域。
Stripping analysis has been widely recognized as a powerful tool for trace metal analysis.
电位溶出法在环境无机痕量分析尤其金属元素测定方面得到了广泛的应用。
Stripping analysis has been widely recognized as a powerful tool for trace metal analysis.
电位溶出法在环境无机痕量分析尤其金属元素测定方面得到了广泛的应用。
应用推荐