Theoretical analysis and numerical examples show that the marching method is valid if the eigenvalues of the two-order partial differentiation operator is exactly approximated.

  • 理论分析及数值实例显示,如果离散格式能够精确逼近二阶偏导算子的特征值,步进方法对高频波传播计算是有效的。
  • 来源:互联网摘选更新时间:2025-01-20 12:36:17

  • 重点词汇
  • theart.这个;指已提到或易领会到的人或事物;指独一无二的、正常的或不言而喻的人或事物;用以泛指;与形容词连用,指事物或统称的人;用于姓氏的复数形式前,指家庭或夫妇;(指特定用途的事物)足够,恰好;每,一;当前的,本,此;(重读,表示所指的为知名或重要的人或事物)
  • methodn.方法;有条不紊;
  • andconj. 和,与;而且;于是,然后;因此;
  • approximatedv.近似,接近( approximate的过去式和过去分词 );近似计算,概略估算;
  • numericaladj.数字的,用数字表示的,数值的;
  • theoreticaladj.理论的;推想的,假设的;空论的;
  • exactlyadv.精确地,确切地;正是如此;(要求得到更多信息)究竟,到底;
  • marchingv. (坚定地向某地)前进( march的现在分词 );进军;进展;游行示威(或抗议);
  • ifconj.如果;假若;倘若;当;无论何时;每次;与will或would连用,表示客气地请求;即使,虽然;〈口〉是否;假设;
  • differentiationn.区别,分化;分异;衍进;求导数;
  • 相关例句
1、

The dynamic coefficients of tilting pad guide bearings are derived with the help of finite-elements using pressure parameters partial differentiation.

本文采用有限元法,利用压力参数法和偏导数法直接推求分块可倾瓦导轴承的动力特性系数。

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2、

The method of harmonic balance is applied to study the non-linear dynamic response of the third-order nonlinear partial differentiation system.

应用谐波平衡法对系统三阶非线性微分方程组解析分析,与数值解比较验证了解析解的正确性和有效性。

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3、

The order of partial differentiation is immaterial.

偏微商的次序并不重要。

provided by jukuu

4、

Solving Center of Plane Central Curve with Positive Integer Degree by Partial Differentiation

偏微分法求平面正整数次中心曲线的中心

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5、

The Function Differential, Partial Differentiation, Grads, Divergence, and Curl in Mizar

函数的微分、偏微分及梯度、散度、旋度在Mizar语言下的实现

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6、

The Analysis of Grinding Technological Parameters for Non-blade Reamer Base on Partial Differentiation

基于偏微分法的无刃铰刀刃磨参数的分析

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7、

Conclusion A new VL 30 like gene is identified for the first time in MEL cells during chemical inducing erythroid differentiation.

结论在MEL细胞红系分化过中发现了一种新的VL30样基因。

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8、

The effects of physical and chemical factors on differentiation and growth of green globular bodies of NEPHROLEPIS cordifolia

若干理化因子对日本肾蕨绿色球状体分化及生长的影响

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9、

Objective: To make a physical and chemical differentiation of Cuscuta Chinensis and its fake-Brassicca Juncca seeds.

目的:对菟丝子及其伪品芥菜种子进行理化鉴别。

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10、

Objective: To seek the basis for the physical and chemical differentiation between A.

前言:目的:研究独活及其伪品的理化鉴别依据。

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11、

Three types of IM present different differentiation phase in morphology and mucin secretive function, which suggests that heterogeneity of IM is substantially a dynamic and progressive change.

三型肠化形态学和粘液分泌功能表达上呈现为不同的分化阶段,提示肠化的异质性具体表现为肠化是一个动态的过程。

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12、

In inflorescence primordium differentiation phase, the content of polysaccharide was little, while protein was rich and distributed uniformly.

在花序原基分化期,细胞中多糖的含量较少,而蛋白质含量丰富且整体分布均匀。

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13、

Pistil Differentiation Phase;

雌蕊分化期;

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14、

Petal Differentiation Phase;

花瓣分化期;

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15、

Inflorescence Differentiation Phase;

花序分化期;

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16、

The Effect of Different Temperatures Treatment on Dynamic Changes of Endogenous Hormones in Flower-bud Differentiation Phase of Cattleya

卡特兰花芽分化期不同温度处理对新叶中内源激素动态变化的影响

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17、

Studies on Photoperiodic Effects After Secondary Branch Primordia Differentiation Phase of Panicle Development in Rice

水稻幼穗分化二次枝梗期后光周期效应的研究

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18、
19、

Green plantlet yield frequency was obviously positive correlative with green plantlet differentiation.

绿苗产率与绿苗分化率呈显著正相关。

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20、

The successive and differentiation media were MS supplemented with different amounts of hormones for the total of 15 combinations.

继代和分化培养基为MS,附加不同配比量的激素,共设计了15个组合,均能分化出苗,但分化能力有差异。

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