The most cutting-edge tool under development is the "teachable agent"— a computerized character who learns, tries, makes mistakes and asks questions just like a real-world pupil.

正在开发的最前沿的工具是 “可教的代理”——一个计算机化的角色，它像现实世界中的学生一样学习、尝试、犯错和提问。

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But the most cutting-edge tool under development is the "teachable agent"— a computerized character who learns, tries, makes mistakes and asks questions just like a real-world pupil.

但最先进的开发工具是“可教的代理”——一个计算机化的会学习、尝试、犯错和提问的角色，就像一个真实世界的学生。

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Cfengine is under development.

cfengine正处于开发中。

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One of the U.N.Millennium Development Goals is to reduce the under-five death rate by two-thirds by two thousand fifteen.

VOA: special.2009.09.28

They found that all mangrove forests on coastlines are under threat from development, logging or other dangers.

VOA: special.2010.04.20

Under the new plan, NASA will keep control of some important development goals.

VOA: special.2010.04.28

Several other approaches for attacking the disease, such as gene therapy, are also under development.

WSJ: New Muscular Dystrophy Drugs Offer Hope

This puts different stresses on hardware and provides a unique test bed for products under development.

FORBES: Consortium Builds Next-Generation Net

Their efforts have produced eight new molecules which are currently under development.

FORBES: Sanofi inks licensing pact with India's Glenmark