- UID
- 536468
- 在线时间
- 小时
- 注册时间
- 2010-5-28
- 最后登录
- 1970-1-1
- 主题
- 帖子
- 性别
- 保密
|
问出了我的心声啊.... Originally developed for detecting air pollutants, a technique called proton-induced X-ray emission, which can quickly analyze the chemical elements in almost any substance without destroying it, is finding uses in medicine, archaeology, and criminology.
(A) Originally developed for detecting air pollutants, a technique called proton-induced X-ray emission, which can quickly analyze the chemical elements in almost any substance without destroying it,
(C) A technique originally developed for detecting air pollutants, called proton-induced X-ray emission, which can quickly analyze the chemical elements in almost any substance without destroying it,
C的which修饰emission有什么问题呢?"proton-induced X-ray emission”作为一个整体和technique不是同一样东西吗? |
|