Because the current system is less precise, controllers need to give planes plenty of room as they lock onto the runway, descending in a slow, stepped approach.
因为现今的系统不够精确，飞机锁定跑道、一步步缓慢下降的过程中，空中交管员必须给飞机留有余地。
2
The real problem of current college education is the extreme utilitarianism of the educational goal, which results in the descending of the overall cultural quality of college students.
当前大学教育的真正问题是教育目标极度功利化，从而导致大学生的整体文化素质下降。
3
The current standard for diagnosing CD involves obtaining 4 biopsy samples from the descending duodenum.