| 1. | The use of photogrammetry lies principally in interpretation of features visible on the air photograph .
摄影测量学主要是用来解释航空照片上的可见要素。 |
| 2. | The use and evaluation of air photographs is a comparatively recent development in earth sciences .
航空象片的使用和解译是地球科学中比较近代的新生事物。 |
| 3. | Use of air photographs in engineering shows an increasing tendency, similar to that in petroleum exploration .
在工程勘测中使用航空象片和石油普查中一样日趋增多。 |
| 4. | Several ancient roman army camps have been traced with the help of air photographs
借助于空中拍摄的照片已发现好几处古罗马军营的遗址。 |
| 5. | An air photograph taken at that time would have revealed spotted villages , linked together by unsurfaced roads and separated by expanses of forest or swamp
那个年代里做的空中拍照能显示出错落有致的村庄，用凹凸不平的道路连着，也被铺展的一片片森林或沼泽彼此隔开着。 |
| 6. | Abstract : compared the accuracy of the digital terain models enlarged form the air photographs kept in stock , pointed out the reliability and frugality of the computerizing optimum choosing route in surveying and designing the expressway , and proved the feasibility of choosing the optimum route by taking two steps and the effect it has on the investment of the expressway construction and the policy - making as well
文摘:比较了利用现成航摄像片"以小放大"数字化成图的精度，并指出了其在高速公路勘测设计中计算机优化选线的可靠性及经济性；同时也论证了两步选择最优化线路的可行性及其对高速公路建设投资的影响和决策。 |
