单词

tracer

读音

ˈtreɪsər

美式

英式

词根

无

释义

n. [核] 示踪物；追踪者；描图者；（铁笔等）绘图工具 n. (Tracer)人名；(英)特雷瑟

例句

The tracer types represented in ITracer are

ITracer 中表示的跟踪程序类型

I'll start by creating a sample stylesheet to apply the tracer to.

首先我将创建一个样本样式表，对其应用跟踪程序。

Carbon monoxide is a good tracer for moving smoke plumes, even across large distances.

一氧化碳可以用来追踪烟尘羽的移动情况，即使经过遥远的距离。

强化记忆

无

看视频学发音

The FDG is now ready for the patient’s scan.When a radiolabeled tracer enters the body,it travels through the circulatory system and gets taken up by its target—

you can check it, you can use it in airplane mode.And when the contact tracer eventually tells youthat you are part of a high-risk group,

to estimate where inside the body the collision occurredand create a 3D map of the tracer’s distribution.PET scans can detect the spread of cancer

Eventually, researchers began objecting to these unjust experiments.In the late 1960s, an STI contact tracer named Peter Buxtunconvinced the PHS to consider ending the study.

or positron emission tomography, scanner.The radiation that the tracer emits is what makes this possible.The isotopes used in PET decay by positron emission.

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