x开头的单词阶段

　　例句：

　　Xerography and Its Development Trend

　　静电复印技术及其发展方向

　　Synthesis of novel CTMs is a hotspot of the xerography field.

　　合成性能优良的电荷传输材料是目前静电复印领域的研究热点。

　　The invention of modern xerography has made our work much easier.

　　现代复印术的发明让我们的.工作轻松多了。

　　The results of this model is applied to xerography and the field strength of development region was attained.

　　该模型用于干法照相并得到了显影区电场强度的表达式。

　　It is classified into two major groups, Xerography and electrofax.

　　它分为“干影印”和“电传影印”两个主要方式。