今天，只有三个国家独立完成了太空行走。
Today, only three countries have finished spacewalks independently.
拴链就像绳子，连接着太空行走者和宇宙飞船。
Tethers are like ropes, connecting the spacewalkers with the spacecraft.
当宇航员在太空行走时，会穿太空服以保证自己的安全。
When astronauts go on spacewalks, they wear spacesuits to keep themselves safe.
太空行走的世界纪录由俄罗斯宇航员阿纳托利·索洛维耶夫保持。
The world record of spacewalks is held by Russian astronaut Anatoly Solovyev.
在太空行走这个主题上，观众的兴趣不同，能理解的复杂程度也不同。
On the subject of space walks, for example, audiences vary in their interests and how much complexity they can comprehend.
通过太空行走，宇航员也可以修理东西，而不是把它们带回地球修理。
By going on spacewalks, astronauts can also fix things instead of bringing them back to the earth to fix.
当宇航员在太空行走时，他们会使用安全绳以保持他们与飞船的距离。
When on a spacewalk, astronauts use safety tethers to stay close to their spacecraft.
世界上第一个进行太空行走的人是来自俄罗斯的阿列克谢·列昂诺夫。
The first person to go on a spacewalk in the world was Alexei Leonov from Russia.
根据计划，2009年5月17日，迈克·古德和我将进行太空行走到哈勃太空望远镜修理一个仪器。
On May 17, 2009, according to the plan, Mike Good and I would take a space walk to the Hubble Space Telescope to repair an instrument.
太空行走者迈克尔·古德身穿白色太空服，在空间站的背景下几乎看不到，参加STS-132任务的第三次也是最后一次的太空行走。
Spacewalker Michael Good, barely visible in his white spacesuit against the space station, participated in the STS-132 mission's third and final spacewalk.
太空行走的宇航员不能吹口哨。
他们星期二完成了6个半小时的太空行走。
段落前缩进还是空行？
几个月之内，航空行业损失总计达40亿美元。
In a matter of months, the airlines collectively lost four billion dollars.
其次，返回很多空行使查询速度不必要地慢了下来。
Secondly, returning many empty rows makes this query needlessly slow.
LDAP数据库中的每条个人记录都将由空行分隔。
Each of the individual records from the LDAP database will be separated by a blank line.
s 可以将多个空行“压缩”或者减少为单个空行。
s "squeezes," or reduces, multiple blank lines into a single blank line.
犹他州州长已经签署了旨在打击空头卖空行为的法令。
The governor of Utah has signed into law a bill cracking down on naked shorting.
可以看到，所有的事情只有17行代码，包括注释和空行。
As you can see, the whole thing is only 17 lines long, including comments and blank lines.
这个阶段的末尾由一个空行表示，空行后面是所有其他对象。
The end of this phase is marked by an empty row, which is followed by all other objects.
用空行来将逻辑相关的代码块分割开可以提高程序的可读性。
Blank lines improve readability by setting off sections of code that are logically related.
此项禁令只在德国实行，但大多数的卖空行为却发生在伦敦。
The ban will apply only in Germany, whereas most short-selling happens in London.
在完成了五次太空行走之后，哈勃望远镜被再次释放进太空。
Five spacewalks later, the Hubble was released back into space.
这是中国第三次载人航天，也是中国宇航员首次进行太空行走。
This will be the third Chinese manned space mission, but the first time Chinese astronauts perform a spacewalk.
不具所有权的卖空行为被极度痛恨，某些金融证券经常被禁止卖空。
Selling "short", i.e. without prior ownership, is severely frowned upon and for government and certain financial securities periodically prohibited.
来自全世界的证券监管者近日讨论了制定有关卖空行为的限制条款。
Global securities regulators gathered recently to discuss rules on short selling.
还不要将行附加到Document，以免具有空行或null行。
Don't attach the rows to the Document yet, in case you have empty rows or null rows.
对冲基金、保证金追缴通知和做空行为的失败可能导致股价连续暴跌。
Failures of hedge funds, margin calls and shorting could lead to cascading falls in prices.
美国长达30年的太空计划中最后一次太空行走在国际空间站完成 。
The last space-walk in the 30-year history of the US shuttle programme has been completed at the International Space Station.
对卖空行为的执念，正在妨碍我们以全面的视角看待短期的过度波动性。
The obsession with short selling is obstructing what should be a comprehensive look at excessive short-run volatility.
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