The State Department said it could not verify all the reports from diplomats, non-governmental groups and media organizations but said they are credible.

VOA: standard.2009.10.22

There's no change in them, and then we also looked at some at non-state functions, work and heat, and saw that those aren't zero going around a cycle. Of course you can do work in a cyclic process, and heat can be exchanged with the environment at the same time.

它们不会有变化，然后我们研究了,一些非态函数，功和热量，并看到,沿着循环行进一周的话,它们并不是零，当然你可以在,一个循环过程中做功，而同时热量可以在系统,与外界环境之间进行交换。

麻省理工公开课 - 热力学与动力学课程节选

All of the other council members were represented by their head of state or government, except for non-permanent member Libya, which sent its U.N.ambassador instead of President Moammar Gadhafi.

VOA: standard.2009.09.24

India has said there is no question of its joining the Nuclear Non-Proliferation Treaty as a nuclear weapon state, saying nuclear weapons are an integral part of its national security.

VOA: standard.2009.09.29

It also said the United States recognizes a government's right to defend itself from attacks by terrorist groups, but that it expects both state and non-state actors to comply with international legal obligations.

VOA: standard.2009.10.22

Mr.Obama discussed nuclear non-proliferation in the Oval Office Tuesday with former secretaries of state George Shultz and Henry Kissinger, as well as former Defense Secretary William Perry and Sam Nunn, former chairman of the Senate Armed Services Committee.

VOA: standard.2009.05.19