tracer中文什么意思

n.
追踪者；追踪物，示迹剂；描摹者；描图员；描记器；画线笔，尖笔；航迹自画器；失物追查员；失单；【物理学】示迹物；曳光剂；【军事】曳光弹；【医学】探针。 a tracer atom 示迹原子。

• tracer laboratory (= tracer lab):    放射化学实验室；示踪物实验室
• acetate tracer:    醋酸盐示踪剂
• activable tracer:    可活化示踪剂; 可活化示踪物

例句与用法

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1. Phagocytosed tracer particles can permeate the whole lysosmal system .
   被吞噬的标记颗粒能通过整个溶酶体系统
2. The pore velocity is the velocity with which a tracer moves through a porous medium .
   孔隙速度是示踪元素穿过孔隙介质的速度。
3. We continuously inject a tracer into a point in a steadily moving fluid .
   我们连续地将一种示踪物注入某稳定运动流体中之一点。
4. 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。
5. The highly sensitive radio tracer technique is often used to follow tagged synthetic soil ingredients .
   高灵敏度的放射性示踪技术，已经常用于跟踪标志污垢成分的试验。

英文释义

名词

1. ammunition whose flight can be observed by a trail of smoke
   同义词：tracer bullet
2. (radiology) any radioactive isotope introduced into the body to study metabolism or other biological processes
3. an instrument used to make tracings
4. an investigator who is employed to find missing persons or missing goods