We are doing a weekly poll on the president, and clearly his popularity has declined.
我们正在对总统进行每周一次的民意测验，很显然他的受欢迎度已经下降了。
For example, sleep duration has declined from some 8 hours in the 1950s to 7 in recent years.
例如，睡眠时间从20世纪50年代的8小时左右下降到近年来的7小时。
Although the service sector has grown since the late 1970's, its productivity growth has declined.
尽管服务业自20世纪70年代末以来一直在增长，但其生产率增长却在下降。
As water tables have fallen and irrigation wells have gone dry, China's wheat crop, the world's largest, has declined by 8% since it peaked at 123 million tons in 1997.
由于地下水位下降，灌溉井干涸，居于世界之首的中国小麦产量，已经从1997年1.23亿吨的峰值下降了8%。
The Amateur Softball Association's roster of umpires has declined to 57,000.
业余垒球协会的裁判员名单上的人数减少到了5.7万人。
The number of students majoring in the humanities has declined by about half.
主修人文学科的学生数量已经下降了近一半。
Though the demonstrations were well attended at first, attendance has declined steadily in recent weeks.
尽管示威开始时参加的人数很多，但近几周来参加的人数稳步下降。
Once the hare population has declined, it takes two to three years for the quantity of twigs to recover.
一旦野兔数量减少，嫩枝的数量需要两到三年的时间来恢复。
In short, as the price of computation has declined, the average consumer and business have spent more on purchasing computers.
简而言之，随着计算价格的下降，普通消费者和企业在购买计算机上的花费也在增加。
Recently fish populations have recovered as release of industrial pollutants has declined and the lake's waters have become cleaner.
最近，随着工业污染物排放的减少和湖水的清洁，鱼类数量有所恢复。
The South Florida nesting population, the largest, has declined by 50% in the last decade, according to Elizabeth Griffin, a marine biologist with the environmental group Oceana.
据环保组织 Oceana 的海洋生物学家格里芬说，过去10年里，数量最多的南佛罗里达海龟数量减少了50%。
While boasting annual box-office revenue increases for nine straight years, largely due to increased ticket prices, the number of actual tickets sold has declined for the second year in a row.
尽管连续九年每年票房收入快速增加，很大程度是因为票价上涨，实际销售的票数量在第二年是下降的。
Credit Suisse has declined to comment.
瑞士信贷银行拒绝对此发表任何评论。
Volatility in financial markets has declined.
金融市场的动荡降幅。
Mr Fogh Rasmussen has declined to apologise for the cartoons.
福格先生拒绝就此卡通进行道歉。
The proportion has declined steadily ever since and is now 9%.
此后该比例一直稳步下滑，目前仅为9%。
Mr. Kaiser has declined to comment directly about the meetings.
凯泽先生拒绝对此次会议作出直接评论。
Microsoft has declined to comment on any likelihood of job cuts.
微软拒绝评论任何裁员的可能性。
What Americans spend on food has declined in relative terms for decades.
几十年来，美国人用于食品的消费相对来说下跌了。
The number of explosions and arbitrary killings has declined in recent weeks.
最近几周以来，爆炸案和任意杀人案件正在逐步减少。
Overall, ASTA says, GDS usage has declined 19 percentage points since 1999 to 79%.
总起来说，GDS的使用率从1999年以来已经下降了19个百分点，达到79%。
Odyssey has declined to state whether it has found any of the Portuguese bullion.
奥德赛公司拒绝说明它是否已经发现了葡萄牙黄金。
Although illegal logging has declined, it remains a major problem, the report says.
报道说，尽管非法采伐已经在减少，但依旧存在一个严重的问题。
Overall, median household income has declined by 7.1 percent since peaking in 1999.
整体来说，自从1999年抵达峰值后，中等家庭的收入迄今下降了7.1%。
While Lenovo-IBM PC sales are higher since the takeover, U.S. market share has declined.
虽然联想-IBM整合后的电脑销量比整合前更高，其美国市场份额却在下降。
The company's stock has declined by more than 50 percent since the start of this year.
自今年年初以来，该公司的股票已经下降了50%以上。
“The power of novels to shape the national conversation has declined, ” says Mr. Teachout.
提奇奥说，“小说塑造国民语言的作用已经日渐衰微。”
Many travelers would argue that the quality of the food served has declined steadily since then.
很多旅行者会争论自从那时起食物的品质一直在下降。
Many travelers would argue that the quality of the food served has declined steadily since then.
很多旅行者会争论自从那时起食物的品质一直在下降。
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