topographic

topographic(al) condition

地形状况

topographic(al) surveying

地形测量

topographic(al) troops

测绘部队

topographic(al) features

地貌, 地形情况

Our experiments show that the photogrammetry with digital camera has a better precision and the large scale topographic map and orthograph can be produced with it.

试验证明利用数码相机影测量精度很，能够用来测制大比例尺地形图和正射影像图。

This includes mainly the technique of the sealoor topographic survey, the technique of the seafloor mophological survey and the technique of the sea subbottom profile survey etc.

它主要包括海底地形测绘技术、海底形貌观测技术、海底地层声学探测技术等。