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- Photometer for measuring the directional light distribution characteristics of sources or luminaires. 测量光源或灯具定向光线分布特性的光度计。
- Sludge distribution characteristics of the three tank alternating system are determined by its distinct operating mode. 三池交替工艺的污泥分布特性是由其独特的运行方式决定的。
- Distribution characteristics and three types of placer gold deposits are summarized. 总结了砂金矿床分布特征,并将3种类型进行了对比。
- This paper presents an algorithm of QTM-based line simplification,which is built on the distribution characteristics of polyline vertices in a regular grid. 本文依据数据点在规则网格中的分布规律,提出了一种在QTM数据结构支持下的线状图形化简算法。
- She population has its own STR allele distribution characteristic. 浙江畲族人群有其自身的 STR等位基因分布特征。
- This paper develops a method to estimate position of emitter based on distribution characteristics of bearing measurement errors. 摘要在测向交叉定位的基础上,提出了一种根据测向误差概率分布特性估计目标位置的方法。
- The distribution characteristics of long chain alkyl benzene in different state hydrocarbon can be used for petroleum accumulation dating. 长链烷基苯在不同赋存状态烃的分布特徵,可以应用于油气聚集时间和成藏差异的研究。
- In the plant organs, the stomatic distribution characteristics of leaf epidermis may be taken as an evidence of plant classification. 在植物不同的器官中,叶表面的气孔分布特征可以作为植物分类的佐证。
- Distribution characteristics of phosphorus in different media at upper reaches of Shandian River basin of north Hebei plateau. 冀北高原闪电河流域上游不同介质体中总P分布特征
- The research aimed to master the distribution characteristics of anthraquinone compounds in the stem of Rheum tanguticum Maxim. et Balf. 摘要[目的]为了系统掌握六盘山鸡爪大黄茎蒽醌类化合物的分布特征。
- The distribution characteristics of grain-size and chemical element characteris tic of atmospheric particulate matter in Jingzhou were studied. 摘要分析了荆州市大气颗粒物粒径的分布特征和化学元素组成特征。
- The distribution characteristics of butylphenol, octylphenol, dichlorophenol and bisphenol A in Jiaozhou Bay and its adjacent rivers were studied. 分析青岛胶州湾及其临近河流中丁基酚、辛基酚、二氯酚和双酚A等环境激素的污染特征。
- The distribution characteristics of HCB discharged from a chemical plant in water, sediment, soil and plant sample was studied. 研究了某化工厂排放的六氯苯在水体、沉积物、土壤和植物中的分布情况。
- Investigates the distribution characteristics of secondary debris clouds generated during a hypervelocity oblique impact. 研究超高速斜碰撞所形成的二次碎片云的分布特性。
- According to the geotectonic and active blocks distribution characteristics in China continent and its neighborhood, 32 subregions are subdivided. 结合中国大陆及其邻区的地质构造与活动地块分布特点,将研究区划分为32个独立的分区。
- Distribution characteristics of heavy metals in soils of fast-urbanizing regions are discussed with Kunshan as a case for study. 以昆山市为例,探讨了快速城市化地区土壤重金属污染物分布特征。
- The distribution characteristics were tested by tritium autoradiography and showed that tritium concentrated in the grain boundaries and dislocations. 利用氚自射线照相法,研究了氚在抗氢脆不锈钢中的分布特征。
- Consequently, studying on distribution characteristics of natural vegetation is a principal task to accomplish greatly in recovery of vegetation. 因此,对特定区域自然植物特征的研究是取得植被建设实质性成效的首要任务。
- Based on air distribution characteristics and the double-layer model theory,compares contaminant removing capability of the two ventilation modes. 基于气流分布特性和双层模型理论,比较了这两种通风方式的排污能力。
- It pointed out the genetic causes, controlling factors of the invalid-fractures, and the distribution characteristics in Fuyu reservoir. 阐述了无效缝的形成机理、影响因素及在扶余油层中的分布特征。