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1·Methods The elastic echelon formation work form was performed.

方法采用梯队式弹性工作方法。

2·A battalion commander Li Guangshun rate a business as a positive main attack along the roads to begin to pass forward echelon form.

一营长李光顺率一营担任正面主攻，沿公路以梯队形式展开向关口推进。

3·The distribution of gas is controlled by depression and intervals gas-producing. The most abundant gas is accumulated in local structures on anticlinal belts in echelon form.

主要生气凹陷及生气层殴控制天然气的分布，雁列式背斜带上的局部构造控制天然气的富集。

4·At present, the domestic heavy duty motor vehicle production enterprises have formed a competition form between the first echelon and the second echelon and the third echelon.

目前，国内重型汽车生产企业已经形成第一梯队、第二梯和第三梯队的竞争格局。

5·But the aged teacher occupies the proportion is too small, cannot form the very good age echelon;

但年龄结构中青年教师所占的比例过小，不能形成很好的年龄梯队；