但事实证明，这个椭圆形标记着一条长河的上游段，当他放大镜头后，他发现那些矩形是隐藏的构造。
But it turned out the oval marked the former course of a long-gone river, and when he zoomed in, he found the rectangles were buried structures.
放大镜镜头，提供了一种放大项目在屏幕上。
Magnifier lens that provides a way to enlarge items on the screen.
公司还自主研制了放大镜、显微镜、望远镜及各类附加镜头。
In addition, our company has independently developed a magnifier, microscope, telescope and kinds of conversion lenses.
放大镜镜头抗刮痕，但灯光照射容易通过。
Magnifier lens resists scratches and allows light to shine through easily.
放大镜镜头抗刮痕，但灯光照射容易通过。
Magnifier lens resists scratches and allows light to shine through easily.
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