fly in echelon formation 梯次编队飞行
subject echelon formation 学科梯队
multiple-echelon formation 多梯队编组
以上来源于: WordNet
Methods The elastic echelon formation work form was performed.
方法采用梯队式弹性工作方法。
The calves of dolphins swim alongside their mothers in an arrangement known as echelon formation.
刚出生的海豚以一种梯队的阵型游在他们母亲的身边。
The ideal pattern of the echelon formation is subjected to a certain rules and should have its own necessary measures to guarantee its development.
理想的教师学科梯队模式既要遵循一定的原则，又要具备必要的保障措施。
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