| 单词 | natural background |
| 释义 | 例句释义: 自然本底,天然本底,自然背景,天然本地,自然北景 1. It is believed that such a level is of no significance to human health having regard to natural background levels. 令人信服的是，考虑到自然本底值，这样小的放射水平对人体健康是无关紧要的。 dict.ebigear.com 2. Heaven and earth to make good use of communication, is able to integrate into the natural background of residential key. 善用天与地的沟通方式，是住宅能否融入自然大背景的关键所在。 www.metalnews.cn 3. The results show that the radioactivity level of var-ied water bodied of the Qinghai Province was within normal natural background. 调查结果表明，青海省各类水体中天然放射性核素浓度基本属正常本底水平。 www.chemyq.com 4. The results show that the radioactivity level of varied water bod-ies of the city was within normal natural background. 调查结果表明，上海市各类水体中天然放射性核素浓度属正常本底水平。 www.chemyq.com 5. The results show that the radioactivity level of varied water bodies of the region was within normal natural background. 调查结果表明，宁夏回族自治区水体中天然放射性核素浓度属正常本底水平。 www.chemyq.com 6. These can be compared with the average doses people normally receive from natural background over 20 years. 这些剂量可用以比较20年中人们通常接受的自然环境放射的平均剂量。 www.who.int 7. A fractal dimension threshold is set to eliminate the natural background. The GMM method is utilized to detect the object. 利用差分盒子维求取图像分形维数，通过设定分形维阈值去除自然背景，采用GMM方法进行目标检测。 kns50.chkd.cnki.net 8. Radiation doses to humans may be characterized as low-level if they are comparable to natural background levels. 对人类的放射剂量如果与自然环境辐射水平相比属低水平。 www.who.int 9. This is called natural background radiation. 这称为自然环境辐射。 www.who.int 10. a natural background-noise disturbance has become a major outbreak. We're looking at the loss of 80% of our forest cover. 自然本身所致的本底噪声干扰已成为主要疫情。我们正在评估森林涉及的80%的损失。 www.ecocn.org 1. Generally, all water has a natural background level of radiation that varies from place to place. 一般来说，在不同地域，所有水的背景辐射的含量各不相同。 chinese.wsj.com 2. Based on the fractional Brownian movement model, a practical approach is presented to detect an artificial target from natural background. 基于图像分形维计算的分数布朗运动模型法，提出了一种能够从自然背景中检测出人造目标的方法。 www.ceps.com.tw 3. But natural background radiation is more than 100, 000 times the highest levels detected. 但其检测量大大高于自然本底辐射量一万倍。 www.bing.com 4. The Natural Background Value and Characteristics of Trace Element in Plants of the Qinghai Lake Region 青海湖地区植物微量元素自然背景值及其特征 www.ilib.cn 5. Tracking Algorithm for Laser Signal Under Natural Background Condition 自然背景条件下激光信号跟踪算法研究 www.ilib.cn 6. Detection algorithm for IR target in natural background 自然地面背景下红外目标检测算法 www.ilib.cn 7. Study on Algorithm of Detecting IR Target in Natural Background 自然地面背景红外目标检测方法研究 service.ilib.cn 8. Approach to generate IR images of natural background 自然地面背景红外图像生成方法研究 www.ilib.com.cn 9. Artificial Infrared Target Detection in Natural Background Based on Fractal Theory 自然背景下对人造红外目标的分形检测 www.ilib.cn 10. A Method for Detecting IR Target in Natural Background Based on Wavelet Transform and Morphology 基于小波和形态学的自然地面背景红外目标检测方法 www.ilib.cn |
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