西瓜单词

tracer是什么意思

tracer

英 ['treɪsə] 美 ['tresɚ]

tracer 示踪迹，曳光弹

来自 trace,追踪，描绘，勾勒，-er,表物。引申词义示踪迹，曳光弹。

tracer (n.): c. 1500, "one who tracks or searches," agent noun from verb form of trace (n.1). Meaning "bullet whose course is made visible" is from 1910.

1. The tracer is distributed in a nearly normal fashion.

示踪剂的分布接近正态分布的样式.

来自辞典例句

2. Tracer techniques give information about structure and reactions in solid state physics.: 示踪法技术在固态物理学方面给出有关结构和反应的信息.

4. Radionuclide tracer analysis is a third important method.: 第三种重要方法是同位素示踪分析.