1、
The scientists conducted two aerial surveys followed by two ground surveys.
科学家们在两次地面勘测后又进行了两次空中勘测。
《柯林斯高阶英汉双解学习词典》
2、
To strengthen the management of reconnaissance and design to secure the quality of design.
加强勘测设计管理,保证设计质量.
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3、
There were many voyages to survey the ocean depths in the nineteenth century.
19世纪有过多次勘测海洋深度的航行。
朗文当代高级英语词典 第6版
4、
All over the world control CFC _ s: the problems faced as our railway transport means.
卫星遥感在铁路勘测设计中的应用.
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