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- natural background analysis 自然本底分析
- 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。
- The background analysis and pollution evaluation of groundwater is an important content of environmental protection and pollution control. 地下水的水质分析与污染评价是地下水保护与污染控制的重要内容。
- Gets or sets the object that designates upon which thread InkAnalyzer [ http://msdn2.microsoft.com/zh-cn/library/ms583671(printer).aspx ] background analysis events are raised. [本主题是预发布的文档，在将来发布的版本中可能会有更改。空白主题是为将来预留的。
- The results show that the radioactivity level of variedwater bodies of the province was within normal natural background. 调查结果表明,全区绝大部分水体中天然放射性核素浓度属正常本底水平,个别水样核素浓度偏高。
- There are 575 deluxe rooms of various styles in the 550 mu tropic plants garden of the hotel, preparing amazing natural background for this picture-like resort. 酒店现有575间风格迥异的豪华客房点缀于550亩的热带植物花园中,为这一风景如画的仙游圣地平铺了靓丽的天然底色。
- On the whole, cities enjoyed good acoustic environment and radioactivity pollution maintained at natural background level. The total amount of arable land was on decline. 城市声环境质量较好,辐射环境质量基本维持在天然本底水平。
- When natural background sounds, like the engine tickover of a parked car, were added, the hybrids' direction sometimes could not be detected until they were perilously close. 如果添加诸如停车时发动机的空转此类自然背景音，有时混合型汽车的方向在危险距离之前根本无从判断。
- Through the background analysis of Xiaojiang River basin, such as geology, landform, hydrology and meteorology, and with the mechanical model the experimental study is carried out. 通过对长江上游小江流域的地质地貌和水文气象背景分析，并结合动力学模型进行了试验研究。
- On the base of systematic background analysis, This Thesis points it out that construction"s total contract pattern will be amain contract-pattern of domestic building-market as before. 本论文在系统的背景分析基础上，指出施工总承包模式依然是国内建筑市场主要的承发包模式。
- Based upon its formulization background analysis, this thesis explored the essence of network organization, and probed into the key factors of the corresponding management and operation. 本文在分析网络组织形成背景的基础上，探讨了网络组织的实质，并对网络组织在治理与运行中应注意的问题进行了研究。
- The rates of extinction of local species that accompany these rapid changes in land cover may soon be far in excess of what is found today,reaching as high as 10,000 times the natural background rate. 伴随着这些士地覆盖的迅速变化，当地物种灭绝的速率可能很快便大大超过了我们今天所发现的，达到自然的1万倍。
- The rates of extinction of local species that accompany these rapid changes in land cover may soon be far in excess of what is found today, reaching as high as 10, 000 times the natural background rate. 伴随着这些士地覆盖的迅速变化，当地物种灭绝的速率可能很快便大大超过了我们今天所发现的，达到自然的1万倍。
- In this paper, an algorithm based on watershed transformation and fuzzy logical catchment basins combination is proposed to suppress or remove the feature of natural background, and applied to infrared object boundary detection and labeling. 文中在分水岭算法的基础上，结合模糊逻辑方法，对自然背景下的红外人工目标的边界检测和分割以及红外背景的抑制进行了探讨。
- To improve the detectable limit of radioactive aerosol monitors, it is very important to eliminate the inter-ference of the natural background, i.e. radon and thoron daughter aerosol. 为提高放射性气溶胶监测仪的灵敏度,消除天然本底即氡子体气溶胶的干扰是极为重要的。
- Learning background analysis and on-going materials 学习背景分析及衔接处理
- It is natural for a cat to catch mice. 猫捉老鼠是本能。
- natural background radioactivity 天然本底放射性
- It's natural to slack2 off towards the end of a hard day's work. 一天紧张工作快结束的时候有些放松是自然的。
- Many natural materials are becoming scarce. 许多天然原料越来越少。
