1·This difference in lift can make it hard to maintain level flight.
这种差异能够产生保持直升机水平飞行的升力。
2·The aircraft is lost control now, I can not maintain level flight at present altitude.
飞机现在失去操纵，我在现在的高度上不能保持平飞。
3·CONTROLLER: "American 11, Boston Center, Roger, climb, maintain level two eight zero."
CONTROLLER：“美航11号航班，这里是波士顿控制中心，收到，继续攀升并维持在280区域。”
4·The faster a helicopter goes, the greater the difference and the more difficult it is to maintain level flight.
而直升机飞得越快，这种差异就越显著，也就越难于维持水平飞行。
5·The paper use Markov chain model to calculate the maintain level and the maintenance cycle of bogie frame.
根据论文中建立的维修方式决策模型对走行部轴箱最优维修方式进行决策；
6·He emphasized the need to maintain Britain's defences at a level sufficient to deal with the unexpected.
他强调需要将英国的防卫力量维持在足以应付突发事件的水平。
—— 《柯林斯英汉双解大词典》
7·The government was right to maintain interest rates at a high level.
该政府将利率维持在一个高的层面是正确的。
—— 《柯林斯英汉双解大词典》
8·How do you maintain your energy level throughout the day?
怎样在一整天里维持你的精力水平？
9·Although you maintain some level of database consistency by using compensation frameworks, a high degree of risk is associated with this strategy.
尽管通过使用补偿框架可以维护某种程度的数据库一致性，但是这个策略也会带来高度的风险。
10·We have no substitute. That makes it extremely difficult mentally. I think the top guys have done actually really well trying to maintain that high level of play.
我们没有替代者。这在精神层面上相当困难。我想顶尖的选手在保持高水平的竞技状态上事实上已经做的很好了。