CGA's Pamphlet O2-DIR, "Directory of cleaning agents for oxygen Service," provides comparative information on cleaning agents used to clean oxygen equipment.
CGA手册的O2 -DIR，“氧设施的清洁剂目录”，提供了有关用于清洁氧设备的清洁剂的有关信息。
A large tree might make around 100kg of O2 per year.
一棵大树每年可以产生大约100公斤的氧气。
It takes about 7 to 8 trees to make enough O2 for one person to breathe for a year.
大约需要7到8棵树产生足够一个人呼吸一年的氧气。
A backpack sends O2 in to let astronauts breathe normally.
一个背包可以输送氧气，让宇航员正常呼吸。
Double add double o1, double o2.
doubleadddouble o 1, doubleo2。
A spokesman for O2 said the company is not planning to offer disgruntled users a better deal in order to convince them not to cancel their contract.
O2电信的一名发言人称，公司不打算给不满的用户提供更优惠的选择，这样做是为了说服他们，不主动取消自己的合同。
On the train back up to Manchester later in the day, Ferdinand tweeted his excitement at spending the day at the O2.
当天晚些时候，在回曼彻斯特的火车上，费迪南德就他在O2度过的激动的一天发了推特。
This is a natural progression after its 2006 purchase of O2, a mobile-phone operator based in Britain that is now the main focus of the company’s European business.
公司在2006年收购了英国的移动通讯运营商O2后，O2的主营业务就是针对整个欧洲市场的，走这一步显然是再自然不过了。
Unlike other incumbents, BT has no mobile arm, having spun off O2 to reduce its debts.
与其他现任者不同，英国电信没有移动分支，出售其O2来减轻债务。
This is why most code is compiled with -o or -o2 and specialized code being compiled at higher optimization levels.
因此，大多数代码都用—o或—o2编译，只有特殊的代码用更高的优化级别编译。
The deal creates Britain’s biggest wireless operator, with a combined 37% of the market for subscribers, vaulting ahead of Telefónica’s O2 and Vodafone.
这一交易成立了英国最大的电信运营商，其合并后市场份额高达37%，超过了西班牙电信旗下的O2以及沃达丰。
In last year’s final at The O2, Federer defeated Nadal in three sets, but since then has lost their past three meetings, most recently falling to the Spaniard in the Roland Garros final.
在O2的去年年终，费德勒在三盘比赛中击败了纳达尔，但自从那之后，他输掉了与纳达尔之间的所有的三场比赛，最近一次就是在今年的罗兰加洛斯的决赛。
An O2 spokesman wouldn't confirm any more details about the contracts, such as their duration.
一位O2的发言人不愿意透露更多的关于合同的细节，例如他们的合同期限。
The warp-speed sales of the tickets to his O2 shows indicated that despite the scandals and the absence of new hits, he was still beloved by his fans.
他的O2演唱会的票瞬间售空，证明了虽然诽谤谣言不断，也没有发行新歌，他的歌迷却一如既往地热爱他。
O2, for most users, will provide the best value — with fewer hotspots but more genuinely unlimited Wi-Fi access to them.
对于大多数用户来说，O2能够提供最大的价值——虽然它提供的无线热点比较少，但是是更加名副其实的无限制无线上网。
Explore the history of British popular music at this interactive museum at The O2 in London.
在伦敦O2互动馆中探索英伦流行音乐进程。
Michael Jackson's 50-night run at London's O2 arena was to have set a new course for the entertainer.
迈克尔.杰克逊原先预定要在伦敦的O2舞台举行50场晚间演唱会，这些演唱会曾被认为将给他的演艺生涯带来一个新的篇章。
This uses the compiler flags -O, -O2, -O3, where each level of optimization applies higher levels of optimization techniques to squeeze more and more performance.
这使用编译器标志-O、-O2、-O3（优化级别依次增高）来进一步挖掘性能潜力。
In Moscow, the family spent an entire evening together relaxing in the city's plush O2 lounge.
在莫斯科时，这一家子在这个城市的豪华氧吧里一起放松了一整个晚上。
The catalyst then knits pairs of oxygens together to make O2.
一对氧原子在催化剂上结合使其成为氧气分子。
Next week, at the O2 Arena in London, they will both play in the ATP World tour Finals - when the top eight men gather for one last lucrative tournament before their brief winter break.
下个星期，他们都将出现在AT P世界巡回赛总决赛的伦敦O2竞技场。这是世界排名前8的选手在冬歇期前，对今年最后一个利润丰厚的比赛的角逐。
A survey last year by O2, a mobile-phone operator, found that some 17% of Britain’s small businesses were using Twitter.
英国移动电话运营商O2去年的一份调查报告显示，已有17%的英国小企开始使用Twitter。
Large-scale vertical farms, like the "Type O2" design seen here, are still only theoretical, but certain cities have expressed a serious interest in making them a reality.
大规模的纵向农场，比如图示的"Type O2"设计，仍旧是理论阶段，但一些城市已经表示出将理论变为现实的强烈兴趣。
For example, the print_report_i function described earlier compiled with tail-call optimization using -O2 on GCC 3.4 and therefore runs with a stack-size that is constant, not growing linearly.
例如，前面描述的 print_report_i函数在GCC 3.4 中使用-O2 进行尾部调用优化编译，因此运行时使用的栈的大小是固定的，而不是线性增长的。
Coincidentally, UK mobile operator O2 said Monday that it has forged an agreement with Twitter allowing users to receive free SMS alerts from Twitter.
巧合的是，在这个周一，英国移动运营商O2宣布，他们已经与Twitter达成协议，允许用户免费接收t witter的短信提醒。
Code that was compiled without any optimization flags resulted in code that was approximately five times slower, so be sure to always compile with -o2 or -o3.
没有使用任何优化标记所编译出来的代码的速度大约会慢5倍，因此要确保使用- O2或- O3标记来编译程序。
Jackson died on June 25 2009, at a rented Los Angeles mansion where Murray had been treating him for chronic insomnia during rehearsals for a series of 50 comeback concerts at the O2 Arena in London.
杰克逊于2009年6月25日在洛杉矶租住的豪宅中去世，默里一直在那里治疗他的慢性失眠症，当时杰克逊正参加定于伦敦O2体育场举办的50场回归演唱会的彩排。
And she added that she had "no friends" in the music industry and even claimed to be shunned by other stars, despite many turning up to watch her recent performances at the O2 Arena in London.
她补充说，她已经“在音乐产业没有朋友”，除了在伦敦的O2 Arena看她最近的表现，她甚至声称自己被其他明星避开。
And she added that she had 'no friends' in the music industry and even claimed to be shunned by other stars, despite many turning up to watch her recent performances at the O2 Arena in London.
她补充说，她已经“在音乐产业没有朋友”，除了在伦敦的O2 Arena看她最近的表现，她甚至声称自己被其他明星避开。
And she added that she had 'no friends' in the music industry and even claimed to be shunned by other stars, despite many turning up to watch her recent performances at the O2 Arena in London.
她补充说，她已经“在音乐产业没有朋友”，除了在伦敦的O2 Arena看她最近的表现，她甚至声称自己被其他明星避开。
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