基础释义
例句

福克斯词典 \ 英汉词典 \

radioactivity radioactivity是什么意思？

radioactivity radioactivity

相关单词 radioactivity radioactivity

例句

The level of radioactivity in the soil was found to be above recommended limits. 土壤的辐射水平被发现超过规定的限度。
They argued that only a negligible rise in atmosphere radioactivity resulted from the test. 他们辩解说,由这次试验所造成的大气层放射活动的增加是微不足道的。
The dismantling of a nuclear reprocessing plant caused a leak of radioactivity yesterday. 昨天拆除核后处理工厂引起了放射物泄漏。
A metal called uranium gave off a kind of radiation, which Marie Curie later called radioactivity. 一种叫铀的金属发出一种射线, 后来玛丽·居里把这种现象称为放射性.
At the surface, radioactivity of the conglomerates is locally as high as 30 X background. 在地表, 砾岩的局部地段的放射性高达30倍本底值.
Overburden had concealed the radioactivity. 覆盖层屏蔽掉了放射性.
The site was found to be contaminated by radioactivity. 发现此地受放射线污染.
The soil contains 30 times the acceptable level of radioactivity. 这片土壤受到了高于标准30倍的辐射.
the process of decontaminating areas exposed to radioactivity 清除受放射污染地区有害物质的过程
This is a Geiger counter for detecting radioactivity. 这是一种盖革计数管,用来测量辐射的.

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