The essence of blended learning will be analyzed from the four directions such as human, technology, environment and method.

As human technology's greatest dream, the research on humanoid robot stands for the advanced level in robot field.

类人机器人的研究和发展代表了机器人学的尖端水平，是人类科技的最高梦想之一。

Undulation machines represent a new dimension in human technology, indicating that human consciousness has become elevated to some degree.

波动机器是人类科技发展的一个新兴领域，同时也意味著人类的意识层次已经有了某种程度的提升。

All ships must look like they've been designed with human technology and for humans.

任何船的设计都必须看起来像是人类科技的产物和为人类而设计。

Traffic systems can be viewed as joint cognitive systems, realizing human-technology coagency.

交通系统可以被视为联合认知系统，实现人与技术的协作（Human-Technology Coagency）。

ncement of systems safety through human-machine coagency is a key research area.

通过人机协作（Human-Machine Coagency）来增强系统安全性是一个关键研究领域。

The concept of human-automation coagency is increasingly being recognized in the field of collaborative control.

人类与自动化协作（Human-Automation Coagency）的概念在协作控制领域越来越受到认可。

He introduced the practice of isolating single cells.

他引进了单细胞分离技术.

Naval officers must understand both the theory and the practice of navigation.

海军军官必须了解航海术的理论与实践.

The practice of science teaches us that knowledge is power.

科学的实践使我们认识到知识就是力量.

And in general, I'd say that the current, somewhat confusing system is preferable to the older practice of subagency, because it allows for more flexibility.

总的来说，我想说，目前有点令人困惑的制度比旧的下属机构做法更可取，因为它允许更大的灵活性。

The practice of subagency withered away, and disclosure rules were put into place.

次级代理的做法逐渐消失，披露规则得以实施。

There exists a close relationship between enterprise debt agency debt and debt term structure.

企业债务代理成本与债务结构存在紧密的联系。

Traders said hedge funds were forced to sell as they deleverage, and investors were selling some Fannie and Freddie bonds known as agency debt and shifting money into bonds issued by large U.

交易员表示，对冲基金因为解除杠杆而被迫抛售，而投资者抛售两家公司的部分债券（即所谓的政府机构债券），是想把资金转移至美国主要银行发行的债券。

It will continue to lengthen the maturity of its assets and reinvest the principal repayments from its holdings of agency debt and mortgage-backed securities in yet more agency securities.

美联储将继续延长所持资产的到期日，并将所持机构债以及抵押贷款支持证券到期后的本金偿付再次投资于购买更多的机构证券。

Such a high leverage ratio makes investors extremely nervous, even if a large portion of that leverage ends up being relatively benign government agency debt.

如此高的杠杆率使得投资者极度紧张，即使其中很大一部分是相对良性的政府机构债务。

Although the crisis at Fannie Mae and Freddie Mac is not on the agenda, there is speculation that Treasury officials could informally encourage big holders of agency debt and mortgage-backed securities not to scale back their investments.

尽管房利美和房地美的危机不在议程上，但有些人猜测，美国财政部官员可能非正式地鼓励机构债务和按揭担保证券的大宗持有者不要减持投资。

But while bankers and analysts in Asia hailed the US action for alleviating a key source of uncertainty in global capital markets, there was scepticism that the guarantees provided to Fannie and Freddie would prompt Asian banks to start repurchasing agency debt.

然而，在亚洲银行家和分析师对美国采取行动以缓解全球资本市场不确定性的一个关键来源而欢呼时，也有人怀疑：向“两房”提供担保是否会促使亚洲的银行开始再次购入机构债。

For the bond component, pick a fund such as the Fidelity Total Bond fund that largely owns high-grade, intermediate-term corporate bonds and mortgages, along with government and and agency debt.

债券部分可以选择一支基金，比如富达债券总指数基金，该基金持有高等级中期企业债券、抵押贷款及政府和政府机构债务。

In recent weeks, foreign investors have increased their holdings of US Treasuries and sold the agency debt issued by Fannie and Freddie, according to data from the Federal Reserve.

美联储（federal reserve）数据显示，最近几周，外国投资者增持了美国国债并卖出了“两房”发行的机构债。

Multilateral agency debt instrument

多边代理机构债务票据