TheGround-based Midcourse Defense (GMD) system, scheduled for deploymentin September 2004, will be the United States’ first operational missiledefense program capable of protecting all 50 states.
陆基中程防御系统（GMD）于2004年9月开始酝酿实施，成为美国首个投入运行可覆盖50州的导弹防御工程。
In the United States, high school teachers typically teach three 90-minute periods (out of four) or four or five 50-minute periods (out of seven).
而在美国，高中老师通常上三堂九十分钟(每天四节)或四到五节五十分钟的课程(每天七节)。
He did have more than 50 half-siblings, some of whom have close ties to the United States and had long ago distanced themselves from him.
而有超过50个同父异母或异父同母兄弟姐妹，其中一些和美国有很密切的联系而且很早就不在和他联系了。
He did have more than 50 half-siblings, some of whom have close ties to the United States and had long ago distanced themselves from him.Dr.
而有超过50个同父异母或异父同母兄弟姐妹，其中一些和美国有很密切的联系而且很早就不在和他联系了。
He did have more than 50 half-siblings, some of whom have close ties to the United States and had long ago distanced themselves from him. Dr.
而有超过50个同父异母或异父同母兄弟姐妹，其中一些和美国有很密切的联系而且很早就不在和他联系了。
Another challenge is the United States 'sheer size, with 50 state governments and a multiplicity of privacy laws.
另一挑战是美国严峻的规模，有50个州，还有多种多样的隐私法案。
There is a kind of drone race starting, he says.Harris says about 50 countries use surveillance drones, though not very many use armed drones the way the United States does.
哈里斯说，有一种类型的无人机竞赛正在悄悄开始，大约有50个国家将其用于监督，尽管不是所有的国家都像美国一样用于军事领域。
There is a kind of drone race starting, he says. Harris says about 50 countries use surveillance drones, though not very many use armed drones the way the United States does.
哈里斯说，有一种类型的无人机竞赛正在悄悄开始，大约有50个国家将其用于监督，尽管不是所有的国家都像美国一样用于军事领域。
The Geysers, located in the Mayacamas Mountains north of San Francisco, California, is the United States' first geothermal power plant and turned 50 years old this year.
间歇泉电站，位于加利福尼亚洲旧金山北部的马亚·卡马斯山脉，是美国第一家地热电站，到今年已有50年历史了。
The United States long defined space as beginning at 50 miles [80km].
美国长期将太空定义为开始于50英里【80千米】处。
The United States is much richer than it was 50 years ago, but this has produced no measurable increase in overall happiness.
现在的美国比50年前富有，但是民众的幸福感却并没有很大的提高。
Dismal figures in the Americas (ie, mostly the United States) dragged down the average: the value of contracts there was 50% lower in the second quarter of 2011 than in the first half of 2010.
美洲低迷的数字(特别是美国)拖累了平均水平：该地区2011年第二季度的合同总额比起2010年上半年来下降了50%。
A 2004 University of Arizona study estimated that 40 to 50 percent of food in the United States is wasted.
亚利桑那大学一份2004年的调查估计，美国的食物有40%至50%被浪费了。
In the United States, only 50 percent of employees say they are satisfied with their work.
在美国，只有50%的雇员说他们对自己的工作满意。
Apple this year plans to open 40 to 50 stores worldwide, with more than half of them outside the United States, the company said in its quarterly earnings report.
苹果公司的年报透露，今年将在全球新增40～50家专卖店，其中超过一半都不在美国本土。
"The negative part of it is that we've already gone through 50 years waiting for a change, we want change, and we want to get along with the United States," he says.
“不好的一点是我们在过去50年中坐等变革，我们希望变革，我们也希望与美国和平共处。”他说。
The geographical distribution of deaths was skewed towards high-income countries: the United States of America reported the highest number, while over 50% of all deaths occurred in Europe.
死亡的地理分布向高收入国家偏移：美国报告的死亡人数最多，而超过50%的死亡率发生在欧洲。
The American Wind Energy Association has estimated that about 50 percent of a typical wind turbine being erected today in the United States is imported.
美国风能协会估计现在在美国安装的典型的风电机中有50%是进口的。
You're talking about 50 percent of all the wealth in the United States, which as you can imagine is a very, very large number.
你说的美国财富的50%是一个难以想象的非常非常巨大的数字。
Here in the United States, for example, health care costs for workers who are between 50 and 65 are, on average, almost two times what they are for their peers in their 30s and 40s.
在美国，例如，对50到65的工人的健康花费，平均而言，差不多相当于30多岁和40岁的同事的两倍。
Romero said he wanted to climb the highest mountains in all 50 states in the United states next.
罗梅罗表示，下一步他计划攀登美国所有50个州的最高峰。
The study, co-authored by the Institute for Fiscal Studies in London, involved analyzing information from two comparable surveys of people aged 50 and over in the United States and England.
该研究报告是由伦敦财政研究学会人员共同撰写，报告分析了来自美国和英国分别针对年龄在50岁以及以上的老年人进行的两份调查。
As this year's Atlantic hurricane season ends, only three hurricanes have formed - half the average of the last 50 years - and none had hit the United States.
截止目前，今年的飓风季节即将结束，仅仅有三个飓风形成，数目比过去半个世纪的平均值还要少一半，而且没有一个飓风登陆美国。
There is about a 50-percent chance in the United States that the electricity that's used to charge the batteries of a plug-in electric vehicle is generated by burning coal.
在美国，大概有50%的用来为电动车充电的电能是通过烧煤来产生的。
The Fortune 50 is an exclusive club of the top companies in the United States with a minimum entry point of $48 billion in revenue.
财富50强是美国高端公司的经理人俱乐部，会员至少要有480亿利润才有资格加入。
The Fortune 50 is an exclusive club of the top companies in the United States with a minimum entry point of $48 billion in revenue.
财富50强是美国高端公司的经理人俱乐部，会员至少要有480亿利润才有资格加入。
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