There he established a laboratory and test range.

他在那里建立了一个实验室和试验场。

A laboratory and test range was already set up there.

那里已经建立了一个实验室和检验场。

Military installations include the Chocolate Mountains Naval Aerial Gunnery Range and the Naval Desert Test Range.

军事设施包括巧克力山海军空中射击范围和海军沙漠试验场。

The results show that there is critical particle size in the test range.

结果表明,在所研究的粒级范围内,存在一个沉降速度最小的临界粒度.