所有这些儿童足迹以及在奎塞三角洲(khuiseb delta)发现的好几十个人类足迹都使用光学激光扫描仪详细记录下来存放在数字档案中。

All of the children's footprints, along with scores more human tracks in the Khuiseb Delta, are being recorded in detail with an optical laser scanner and are to be placed in a digital archive.

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他们转动著地球仪，直到印度的红三角转到他们面前。

They rotated the globe until the crimson triangle of India was opposite their eyes.

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把全站仪三角高程的测量原理运用到城市管道工程的建设中，可以代替传统的用几何水准测量高程的方法。

Applying the measuring principle of the trigonometric leveling with total station into the construction of urban pipeline engineering can replace the traditional geometric leveling method.

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