Objective: To analyze the aberration properties of contact lens and its central back vertex power measurement.
目的：探讨接触镜的球差特征以及后顶焦距测量的实质。
They are interesting for the fact that they are very plain and undecorated for the time, with only one plain central panel at the back and no armrests.
很有趣的是，当时它们很普通，没有装饰，只是后面有一个简单的中央面板，没有扶手。
A 9-year-old Central California boy braved strong currents and cold water to swim from San Francisco to Alcatraz Island and back.
加州中部一名9岁的男孩不顾湍急的水流和冰冷的海水，从旧金山游到了恶魔岛，然后又游了回来。
A huge storm that collapsed part of a cliff on Israel's central coast led to the discovery of a statue dating back to the Roman period, the Israel Antiquities Authority said Tuesday.
以色列古物管理局周二表示，一场巨大的风暴摧毁了以色列中部海岸的一处悬崖，使得一尊罗马时期的雕像被发现。
He was probably the first man to bring back good information about the central Asian lands to China.
他可能是第一个把关于中亚大陆的优质信息带回中国的人。
Many central Banks in Europe they have dates that go back to the eighteenth or nineteenth century.
许多欧洲的中央银行，他们都能追溯到，十八世纪或十九世纪。
Back then, central Banks started hoarding gold instead.
当时，各国央行转而开始囤积黄金。
If these lessons are to sink in, central bankers must stand back—as, by and large, they have done.
如果人们明白了这些教训，就应该让中央银行往后站，正如到目前为止人们所努力的大体趋势那样。
Each volunteer just downloads some code and runs its part of a large task, sending back intermediate computations to a central server.
每个志愿者都只需要下载一些代码，并将其作为一项大任务的一部分来运行，然后将中间计算发回中央服务器即可。
Developers check out source code from the central repository into a local sandbox and, after making changes, commit it back to the central repository.
开发人员从中心存储库签出源代码到本地的沙箱内，进行变更后，将它提交回中心存储库。
Back in central Damascus, the sun is shining and all seems quiet.
回到大马士革市中心，阳光明媚，所有一切似乎都很平静。
Latency measures how long it takes in milliseconds for a data packet to travel over the Internet from your computer to a central server and back again.
延迟是数据包从你计算机到中心服务器然后再返回来所消耗的毫秒数。
They will find that "giving something back" can be upgraded from afterthought to a central part of the business.
他们会发现，反思商业的中心部分，“回馈”可以得到改善。
Back in 1995, with the central bank's interest-rate target at 2.25%, policy makers were able to reduce rates to stimulate the economy.
1995年的时候，央行的利率目标是2.25%，政策制定者可以为了刺激经济而降息。
It is a sure bet that at crucial moments America will be on hand to browbeat Europeans into taking action. The Federal Reserve will stand by to back the European Central Bank.
在紧要关头美国必然会出手逼迫欧洲采取行动，美联储也会支持欧洲中央银行。
He can play in central midfield but when Cesc fabregas is back, he will play wide. I like Arshavin, too.
当法布雷加斯回来时他可以踢中场，他的范围很广，我也喜欢阿尔沙文。当他一对一的时候他将过掉对方。这时你要当心了。
By the end of this year it should have fallen back within the Central bank's target range of 2-4%, reckons Rodrigo valdes, the bank's former chief economist who now works for Barclays Capital.
现在在巴克雷工作的前智利银行首席经济学家RodrigoValdes认为，截至今年底，通胀率应该能回落到银行目标范围之内，即2- 4%之间。
The policy of steering monetary conditions back to normal by the central bank is in line with most scholars’ suggestions and viewpoints.
对于央行引导货币条件逐步回归常态水平的政策，显然符合绝大多数经济学者们的建议和观点。
After a package passes the inspection process, it is sent back to the central store, from where it is packaged and sent to the correct destination.
每一个货物在通过这些检查和处理流程后，又被存回中央仓库，最后被打包并发往正确的目的地。
So far, these central Banks have held back, in view of the big cuts to public spending taking place, sluggish growth and idle resources.
但考虑到已经在实行的大额的公共支出消减，缓慢经济增长和闲置资源，迄今为止，这些央行还未采取行动。
However, the market will now fear that if it pushes the krone (or the Singapore dollar) too far. there will be push back from the various central Banks.
然而，如今市场担心，如果克朗(或新加坡元)被推动走的太远，将会遭到各国央行的反冲。
And thanks to the wireless mesh network, the panel in each room also ACTS as a relay for the data traffic from other rooms back to a central control point.
而且由于无线网状网络，每个房间的面板也担当了从其它房间回到中心控制点的数据通信的中继。
Inflation also eased, falling back below the central bank's official target of 3%, thanks partly to cheaper fruit and vegetables.
通胀也有所缓解，回落到央行官方目标3%以下，很大程度上归功于蔬菜和水果价格的降低。
Developers interact with centralized VCS systems using a client/server model, where changes to your local copy of the source code can only be pushed back to the central repository.
开发人员使用客户机/服务器模型与集中式VCS系统交互，对本地源代码拷贝的更改只能推回到中心存储库中。
That could lock higher inflation into the system, giving central Banks a devil of a job to bring it back down again.
于是整个经济体系就被通胀的上升所锁定了，接下来带给央行的便是使之回落的艰巨任务。
Moreover, allowing the liquidity that has been built up on the central bank's balance sheet to leak back into the commercial financial system would provide ample low-cost capital.
此外，允许央行资产负债表上积累的流动资金回流到商业金融系统中去，就能向社会提供充足的低成本资金。
To prevent that, central bankers have been fighting back with higher interest rates and higher reserve requirements.
为了打压物价-工资上升螺旋，各国央行纷纷以升息和提高准备金要求作为对策。
Invariably an administrator will make a copy of the spreadsheet, make changes to that copy, then days later copy it back to the central location.
管理员常常复制电子表格，对这个拷贝做修改，几天之后才把它复制回中心位置。
Invariably an administrator will make a copy of the spreadsheet, make changes to that copy, then days later copy it back to the central location.
管理员常常复制电子表格，对这个拷贝做修改，几天之后才把它复制回中心位置。
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