种数,methods英语短句,例句大全

种数,methods
1)methods[英]['meθ?d][美]['m?θ?d]种数
1.In this paper gives the calculating formula of separate methods of how to separate positive and even numbers into the sum of several conitinural even numbers,and the way of using it.给出了正偶数分拆成若干个连续偶数之和的分拆种数的计算公式 ,并对其进行了应用。
2.It gives the necessary and sufficient condition of separate positive and even numbers into the sum of several continural even numbers and the best estimation of separate term"n" and separate methods"(Ν)" which is got by using these methods.给出了正偶数分拆成若干个连续偶数之和的充要条件 ,并对分拆项数n和分拆种数(N)作出了最优估值。
3.On the basis of papers［１］、［２］ and ［３］,this paper gives the general formula of how to separate natural numbers which are not the po wer of number 2 into the sum of several continural natural numbers,the concrete usage of how to use these methods and the best result of the estimation of term “n” is got by using these methods.本文给出了非2幂的自然数分拆成若干个连续自然数之和的一般性公式，对这类分拆方式数的种数公式给出具体应用，并对这类分拆方式数的项数n的估值给出最优结果。

英文短句/例句

1.There are 49 species in Linxia, of which there are 24 palaearctic species, 48.06%;临夏地区总种数49种,古北种24种,占临夏蓟马总种数的48.06%;
2.2 species belong to palearctic affinity (3.4%);树栖种类繁多,有26种,近于总种数之半.
3.Intelligence is a quantitative trait.智力是一种数量性状。
4.Explicitly converts an expression of one data type to another显式地将一种数据类型转换成另一种数据类型
5.A Variant of MDx Hash Function-GIN;一种MDx变种Hash函数—GIN
6.A number system written to the base two notation.一种使用以2为基数的记数法的数制。
7.The first comprises the greater part of our rural areas, the second a section of the smaller part of our rural areas and the third the remainder.第一种多数地区，第二种一部分少数地区，第三种又一部分少数地区。
8.A positive or negative real number.一种正的或负的实数。
9.They have planted hundreds of trees.他们种了数百棵树。
10.The degree of such a slope.斜度这种斜坡的度数
11.The liquor is 80% proof.这种酒为标准度数的80%.
12.His studies range over several languages.他的研究涉及数种语言。
13.The guide-book in several languages.数种语言的旅游指南。
14.species diversity index生物种的多样性指数
15.racist minority regime种族主义少数人政权
16.Most plants reproduce by seeds.多数植物靠种子繁殖。
17.Most plants reproduce by seed.大多数植物靠种子繁殖。
18.awarding points to job评定各种职务的点数

相关短句/例句

cropping index复种指数
1.The calculated area for cropland by Wackernagel's method does not consider the influence of cropping index.从理论角度采用复种指数修正耕地类生态足迹,使核算结果为耕地面积,增强了生态足迹和生态承载力的可比性。
2.In accordance with the new characteristics of the cropping system in 1990s,the significance of intercropping,relay cropping,multiple cropping and cropping index was analyzed in this paper.针对９０年代种植制度变革的新特点，分析了间套作、复种及复种指数的意义，讨论了区别间套作的共生期标准、作物标准熟期与熟数系数以及面积系数等概念，提出了多样化的多元多熟种植条件下复种指数的计算规则和方法。
3.Through taking the regionalism as analysis unit,the relationship between agricultural water production ratio,irrigation intensity and area,and cropping index in Shanxi province is studied.应用农业标准产量概念,建立农业水分生产率评价方法,以行政分区为分析单元,研究山西省农业水分生产率与灌溉强度、灌溉广度以及复种指数之间的关系,评价区域农业水分生产率状态,分析了不同区域水分生产率及单位标准产量高低的原因,为山西省水生态修复工作的开展提供基础资料。
3)disaster category index灾种指数
4)population number种群数量
1.Based on the field survey data obtained from May 1996 to June 2003,the resources of waterfowl in Hubei province of Central China,including species diversity,distribution and population number were studied with systematic sampling such as direct count,quadrat and special survey methods.1996年5月至2003年7月,使用直接计数法、样方法和专项调查法研究了湖北省湿地水禽资源,包括物种多样性、分布和种群数量。
2.Trapping mothes using blacklight trap in tobacco field at Fuquan county, the results show that the (seasonal) (dynamics) of the population number of Prodenia litura (Fabricius) and Heliothis armigera (Hubner) changes by a wide margin (among) different years.在福泉烟田设置黑光灯诱蛾 ,结果表明 :斜纹夜蛾及棉铃虫成虫种群数量季节性消长年度间变化大 ,强翅夜蛾年发生 2个世代 ,金弧翅夜蛾、掌夜蛾年发生多世代。
3.The population numbers, densities, structure and reasons of negative increasing of Moschus chrysogaster in Xinglong Mountain were studied in the paper.对兴隆山马麝资源的种群密度、种群数量和种群结构以及负增长原因进行了研究分析。
5)multiparameters多种参数
6)counter species计数物种
1.Based on"counter species"analysis to the photochemical mechanism, a photochemical model for regional air quality is developed.根据“计数物种”法对光化学反应机制的分析,建立了一个适用于区域性光化学反应模拟的模式,该模式能较好地模拟出NO_x、O_3及H_2O_2等大气光化学污染物的变化,在保证模拟准确性的同时,该模式形式简单,有利于在实际大气环境质量模拟中应用。