在美中两国就扩大合作的四天会议的第一天，两国讨论了敏感的网络安全话题。
美国官员说，星期一在华盛顿举行的会议上，他们提出了跟经济有关的黑客入侵问题。他们还说，双方还讨论了为网络空间制定国际准则问题。
华盛顿和北京在四月同意，工作小组就网络安全问题举行对话，这个问题可能成为破坏双边关系的主要威胁。
奥巴马政府指责中国参与一项广泛的互联网入侵行动，行动的目的是窃取美国政府机构和企业的秘密，以获得经济利益。
官员们希望，在双方部长星期三和星期四在华盛顿举行安全与经济对话之前，能够取得进展。
中国代表团团长杨洁篪表示，他希望这次对话能为美中之间创造更多的合作。
The United States and China discussed the sensitive topic of cyber security during the first of four days of talks aimed at expanding cooperation between the two world powers.
U.S. officials say they raised the issue of economic-related hacking during the Monday session in Washington. They also said the two sides discussed international norms for cyber space.
Washington and Beijing agreed in April to hold the working group on cyber security, which has threatened to become a major irritant in bilateral relations.
The Obama administration has accused China of involvement in a broad Internet hacking campaign to steal secrets from U.S. government institutions and businesses for economic gain.
Officials hope to make progress before senior ministers of the two sides hold annual security and economic talks in the U.S. capital Wednesday and Thursday.
Yang Jiechi, a high-ranking Chinese official who is heading Beijing’s delegation, says he hopes the dialogue can create more cooperation between the U.S. and China.