tracer
英 [ˈtreɪsə(r)] 美 ['treɪsər]

n.

追踪者，描图者，（铁笔等）绘图工具；

英英释义

tracer[ 'treisə ]

• n.
  • an investigator who is employed to find missing persons or missing goods
  • an instrument used to make tracings
  • (radiology) any radioactive isotope introduced into the body to study metabolism or other biological processes
  • ammunition whose flight can be observed by a trail of smoke

    同义词：tracer bullet

词组短语

tracer technique示踪技术

tracer method示踪法

tracer gas示踪气体；探漏气体；检测气体

isotopic tracer示踪同位素；同位素指示剂；示踪物

radioactive tracer放射性示踪剂，放射性指示剂

双语例句

用作名词(n.)

1. Maybe Bartling had a tracer put on his launch during the night.
   也许昨天晚上，巴特灵就在他的汽艇上安装了一个跟踪器。
2. 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。
3. Metal piercing, incendiary or tracer ammunition is prohibited from IPSC competitions.
   穿甲弹、烧夷弹或曳光弹在IPSC竞赛中是明令禁止的。
4. This solute will be referred to as a tracer.
   这种溶质称为示踪剂。
5. The tracer becomes increasingly dispersed.
   示踪剂逐渐地扩散。

权威例句

Tracer v1.4
Tracer v1.4
Modeling tracer kinetics in dynamic Gd‐DTPA MR imaging
Fluoro-Gold: a new fluorescent retrograde axonal tracer with numerous unique properties.
Contrast-Enhanced T 1 -Weighted MRI of a Diffusable Tracer : Standardized Quantities and Symbols
Testing a Nitrogen-Cycling Model of a Forest Stream by Using a Nitrogen-15 Tracer Addition
Functional connections between cells as revealed by dye-coupling with a highly fluorescent naphthalimide tracer
High resolution measurement of cerebral blood flow using intravascular tracer bolus passages. Part I: Mathematical approach and stat...
High resolution measurement of cerebral blood flow using intravascular tracer bolus passages. Part II: Experimental comparison and p...
Estimating kinetic parameters from dynamic contrast‐enhanced t1‐weighted MRI of a diffusable tracer: Standardized quantities and s...