1. From "mastery of science" to "comprehension of science"——Exploration of high education science course reform. 从“掌握科学”到“理解科学”——关于深化高等教育理科课程改革的思考。
2. Stress is an important part in oil exploration because it affects the oil migration and the location where oil exists. 应力是油田勘探中不可缺少的部分，因为它影响着油气运移，决定油气的成藏位置。
3. HALE UAV is a new type of UAV, and this new type of UAV has special purpose in scout and exploration of altitude atmosphere. 高空长航时无人机是一种新型的无人飞行器，在战场侦察和高空大气探测方面有其特殊的用途。
英英解释
n.
1. to travel for the purpose of discovery
2. a careful systematic search
3. a systematic consideration
