- 释义：
- n. 追踪者; 示踪物
- 例句：
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The tracer is distributed in a nearly normal fashion.
示踪剂的分布接近正态分布的样式.
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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.
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This solute will be referred to as a tracer.
这种溶质称为示踪剂.
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