|
Based on a systematic investigation on the predatory natural enemy community in cotton fields to the North of the Huaihe River of Anhui Province, the methods of polar ordination (PO) and fuzzy cluster analysis (FCA) were employed to study the dynamic clas
|
|
|
摘要在对安徽省淮北棉田捕食性天敌群落进行系统调查的基础上，采用极点排序和模糊聚类分析方法，研究了棉田捕食性天敌群落的动态分类；采用主成分分析方法，研究了棉田捕食性天敌群落在棉花生长发育过程中演变的主要阶段。 |
|
Based on a thorough investigation of the engineering geological condition for the reservoir region of the Huizhou Pumped Storage Power Station, the in-situ trial pit water injection test, boring water injection test, and water pressure test were performed
|
|
|
摘要在对惠州抽水蓄能电站库区工程地质条件进行详细调查的基础上，采用现场试坑注水和钻孔注水、压水试验等方法了解岩土体的透水性。 |
|
Based on a thorough investigation on positional variances of quality control points of jacket, absolute error ellipse and relative error ellipse, which can show the precision of quality control points of jacket in any direction, are presented and then app
|
|
|
在对质量控制点的点位方差进行深入研究的基础上，给出表示导管架质量控制点在任意方向上精度的绝对误差椭圆和相对误差椭圆，进而将这两种误差椭圆应用于导管架的质量控制中，从而使导管架的质量控制更有效和准确。 |
|
Based on a true example of an accident caused by the power factor, the article discusses its reasons, analyzes the characteristics of the electric motor and power transformer on operation conditions, and the improvement of power factor to ensure the safet
|
|
|
摘要文章根据一例船舶电网的功率因数的降低导致全船失电事故的实例，论述了无功功率在电气设备运行中的作用及影响，指出提高功率因数的意义和解决的方法以确保电站的安全运行。 |
|
Based on a typical station in Guangzhou metro line 5, in which the station hail floor and the platform floor are separated, the relationship between the building layout of metro station and the environmental conditions of station site, and some problems s
|
|
|
摘要通过分析广州轨道交通5号线站厅、站台层分离的典型车站，着重论述地铁车站建筑布置形式与站址环境条件之间的相互关系，以及建筑布置形式的不确定性、多样性和灵活性问题。 |
|
Based on above analyses, mathematical models of knowledge transfer efficiencies are constructed and computational formulae are presented.
|
|
|
在此基础上，构建了知识转移效率的数学模型，给出了知识转移效率的计算公式。 |
|
Based on abundant statistic data and photographs of seeping-type uranium deposits at the southern margin of Ili basin, detailed description is given of the oxidation-migration of organic matter during seeping of oxygen-bearing water, secondary alteration
|
|
|
摘要采用伊犁盆地南缘渗入铀矿床中的大量统计数据、图片等资料，论述了在层间渗入型铀矿床中，有机质在含氧渗流水作用下，发生氧化迁移，岩石中的矿物次生蚀变，并在地球化学还原障上产生铀及伴生元素的富集，形成后生渗入铀矿床的过程。 |
|
Based on actual data processing and analysis data comparison for oil testing water in individual layer, the results show that this method can effectively obtain resistivity value of formation mixed fluid.
|
|
|
通过实际资料处理和单层试油水分析资料对比，结果表明该方法可有效求取地层混合液电阻率值。 |
|
Based on adoption of worldwide advanced parts and components of heavy duty trucks, Steyr series heavy duty truck featuring modularization, seriation, strong power, high reliability, low fuel consumption, low noise and low emission, is the only vehicle who
|
|
|
斯太尔系列重型车,采用世界真正重型汽车零部件总成，具有模块化、系列化、优势动力强劲的优势，可靠性高，低燃油消耗，低噪音、低排放，是国内唯一全面引进并批量投放市场的系列化主要汽车。 |
|
Based on advanced equipments, RECCOTEK has been serving our customers with high quality, shorter lead time and competitive price.
|
|
|
公司装备优良，拥有全套金属注射成形生产和检测设备，为客户提供质量优越、交货准时且价格极具竞争优势的服务。 |
|
Based on aerodynamic theory and the characteristics of the shockwave around a supersonic projectile, the article constructs a mathematical modeling of a L-shaped vertical target for projectiles shooting with forward direction and any direction, and analyz
|
|
|
摘要本文根据空气动力学理论和超音速弹丸的激波特性，建立了在使用L型立靶基础上正向射击和任意角度射击时的数学模型，并进行了误差分析，提出了减小误差的修正方法。 |
