The superpowers pledged to maintain symmetry in their arms shipments.
这些超级大国承诺要在其武器运载上保持数量相等。
To maintain her weight, she simply chooses fruits and vegetables over fats and sweets.
为了保持自己的体重，她选择只吃水果和蔬菜而不吃肥肉和甜食。
It allows the train to maintain a constant speed through the twists and turns of existing track.
它可以让火车在现有蜿蜒盘旋的轨道上保持匀速。
There were no longer enough fish in the sea for the stock to maintain itself, let alone an industry.
海里已经没有足够的鱼来维持鱼类自身的生存，更不用说维持一项产业了。
Any significant changes should be deferred to a future generation of the solution to maintain its stability.
任何重大更改都应推迟到该解决方案的下一代，以保持其稳定性。
The bigger the mass at each end of the pole, the easier it is for the tightrope walker to maintain his or her balance.
钢丝两端的质量越大，走钢丝的人就越容易保持平衡。
Sometimes parents get exhausted and frustrated and are unable to maintain a tolerant and composed style with their kids.
有时父母会感到疲惫和沮丧，不能对孩子保持宽容和冷静。
Health experts advise that the average woman should consume about 2,000 calories a day and a man about 2,500 calories to maintain a healthy weight.
健康专家建议，为了保持健康的体重，女性平均每天应该摄入大约2000卡路里，男性每天应该摄入大约2500卡路里。
Some uniforms are also expensive to maintain, requiring professional dry cleaning rather than the home laundering possible with many types of civilian clothes.
一些制服的维护费用也很昂贵，它们不能像许多类型的便服一样在家里清洗，而是需要专业的干洗。
"Attracting the brightest and most ambitious postgraduate and research students is critical if the UK is to maintain its quality reputation for research," Beall said.
比尔说：“如果英国想要维持其高研究质量的声誉，吸引最聪明、最有抱负的研究生和研究型学生前来至关重要。”
By 492 votes to 391, the federation voted to maintain the status quo.
联盟以492票对391票投票决定维持现状。
He was arguing with the king about the need to maintain the cavalry at full strength.
他在和国王讨论保留骑兵全部兵力的必要性。
Wage rates must be maintained in order to maintain the purchasing power of the consumer.
必须维持工资率以保持消费者的购买力。
The Philippine government wants the U.S. to maintain a military presence in Southeast Asia.
菲律宾政府希望美国保留在东南亚的驻军。
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。
Industry representatives made it clear that their commitment was only to maintain the extent of forests, not their biodiversity.
业界代表们申明他们只承诺维持森林的规模而不是其生物多样性。
It would be difficult for developed countries to maintain the size of population.
发达国家很难保持人口规模。
How to maintain sustainable development is a matter of significant importance facing all countries.
如何保持可持续发展是所有国家面临的一个重大问题。
The key to the exercises presented below is to maintain good form and don't look sloppy stretching.
下面的练习的关键是保持良好的姿势，拉伸不要看起来草率。
We need to find more creative ways to discipline our students and to maintain control in the classroom.
我们需要用更创新的方法约束学生，维持课堂纪律。
Having fewer parts makes the electric car cheaper to maintain and less likely to have mechanical problems.
由于零件更少，因此电动汽车的保养更加便宜，出现机械故障的概率也降低了。
Air France was trying to maintain its full long-haul schedule while canceling some flights on other routes.
法国航空试图维持其排满的长途货运日程，同时取消了其他部分线路的航运。
Some analysts estimate that food production will need to be raised by 50 percent to maintain current levels.
一些分析人士预测，粮食产量需要提高50%才能维持目前的水平。
He was unable to maintain the image of the perfect gentleman for which he had succeeded in passing at first.
他已无法维持他最初的完美绅士的形象了。
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