用field reconnaissance造句子，“field reconnaissance”造句

Abstr: Exploration for oil and gas often needs to carry out field reconnaissance to determine the feasibility of the field surface conditions.

The traditional geological disaster survey relies on field reconnaissance with a lot of manpower and material resources.

The change of observation accuracy is shown by classification symbol. Progress curve of evaluating GNSS disaster observation efficiency based on field reconnaissance experiments is designed.

The detail regional geological data and the field reconnaissance results show that the Ordovician strata developed in Mongolia at the border area can be correlated with those in China.