单词：press mark
press mark的用法和样例：
例句
- Crack nucleation and propagation in wear-resistant bainite ductile cast iron were investigated by press trace method and SEM.采用压痕法及扫描电镜观察，研究了抗磨贝氏体球铁中裂纹的形核与扩展。
单词：press mark 相关文章
By Bill Rodgers Washington D.C. 24 January 2008 Human rights and press monitoring groups consider the Middle East and North Africa as regions having the worst record for press freedom in the world. Outright censorship, restrictive laws and intimidati
VOA标准英语2008年（一月）
By William Eagle Washington,DC 04 March 2008 The United States Ambassador to Cameroon, Janet Garvey, has reiterated US support for freedom of the press and peaceful political reforms in the country. Her remarks come in the wake of a government crackd
VOA标准英语2008年（三月）
By Cathy Majtenyi Addis Ababa, Ethiopia 29 October 2007 The Committee to Protect Journalists says Ethiopia is the worst country in the world for press freedom. The international press watchdog group says that Ethiopian journalists routinely face cens
2007年VOA常速英语（十月）
SAN FRANCISCO, June 15 (Xinhua) -- Facebook has hired Joe Lockhart, who was former U.S. President Bill Clinton's press secretary during the last two years of his second term, as the social network company's vice president of global communications, U.
英语新闻
A man from the state of Chu was crossing a river in a boat when his sword fell into the water．Immediately he made a mark on the boat．This is where my sword fell off，he said．When the boat stopped moving，he jumped into the water to look for h
趣味英语
A man from the state of Chu was crossing a river in a boat when his sword fell into the water．Immediately he made a mark on the boat．This is where my sword fell off，he said．When the boat stopped moving，he jumped into the water to look for h
趣味英语