查询词典 computation time

Using the low-thrust propulsion system for the Russian space interceptor as a research object, the mathematical model of the components of the system is employed to analyze the influence of the combustion time lag on the response characteristics of the propulsion system with high-pressure chamber, and to analyze comparatively the computation results of the start and shutdown transients of the lowthrust propulsion system with high and low chamber pressures.

以俄罗斯空间拦截器用的小推力推进系统为研究对象，利用系统各部件的数学模型，分析了燃烧时滞对高压燃烧室推进系统响应特性的影响，对比了小推力高、低室压推进系统起动、关机过程的计算结果。

If be to have forum sale, need the labor power that computation costs, time reachs wage level, conversion gives the cost of an expenditure.

如果是进行论坛营销，则需要计算花费的人力，时间及工资水平，换算出所花费的费用。

The technique does not have any simplification of drainage holes. In this paper, discussions are mainly conducted on the substructure mesh dividing and its second time automatic dividing, the substructure shape, the continuity among substructures and general elements, the classification and definition of the integrated hydraulic model of drainage substructure, the iteration computation of water level inside drainage hole, the application of the technique in solving unsteady unsaturated seepage field, etc., therefore, the high efficient, precise and quantitative analysis of the complex seepage with densely distributed drainage holes is totally realized.

该技术不对排水孔幕作任何简化，本文着重从子结构网格划分模式及二次自动剖分、子结构单元形态、子结构与总体单元网格之间的连续性、排水子结构完整水力学模型分类及定义、排水孔内水位迭代计算、排水子结构法在非稳定非饱和渗流场中的推广应用等各个方面进行论述，实现了对工程复杂渗流场中密集排水孔幕的高效、精细、定量分析。

It establishes one mathematic model to confirm target parameter based on GPS inertial navigation system. Moreover, it gives a means of obtaining firing data against the shore target based on real-time ballistic computation.

建立了基于惯性导航系统下确定目标参数的数学模型，并通过外弹道实时解算方法求取对岸目标的射击诸元。

These formulas are used to the computation of the foundation plate for the first time, and the deflection and the moment of the foundation plate in two load cases are given.

将计算结果与Rayleigh-Ritz法结果进行比较，两者较好的一致性表明了所得导函数及其递推公式的正确性，同时也说明了基于正交基函数的无单元方法应用于C1问题的可行性和合理性。

The computation model had 5 parameters, which could be identified by displacement inverse algorithm. At the same time, the ground deformation limits of highways to determine the engineering treatment scope of goafs were provided. On such a basis, the problem could be solved. Finally, a case of Lei-Yi highway was given. The computed results showed that the present method could successfully solve the ground deformation problems of goafs.

用编制的计算程序对来宜高速公路下覆典型的两种采煤形成的采空区坍塌后地面变形进行了计算分析，计算分析结果表明：随机介质理论计算模型应用比较成功，能反映地面移动规律；该处采空区对高速公路的正常使用产生威胁，宜进行适当的工程处理，并确定了工程处理范围。

Flow pattern computation is carried out by using a modified function of stream function Laplace equation proposed by the author, and the flow fields of heterogeneous goafs with complicated shapes and along the boundary direction can meet the condition of orthogonality of flow net, and at the same time the orthogonality can be controlled by the precision of split meshes.

指出用 流函数Laplace方程修正函数，对复杂形状和沿多边界方向非均质的采空区流场计算，仍能满足流网正交，其正交性可通过剖分网格精度来控制。

This paper presents the method of computation for waveguides partially filled with dielectric by using finite-difference time-domain method.

给出用时域有限差分方法计算电磁场问题的差分格式，详细介绍了FDTD法分析介质填充波导截止频率的计算过程。

Using the method of numeral computation,we explore transient behav-iors for KPAS,i.e,the degree of squeezing as a function of the initial intensity 〓at some time 〓,discovering that squeezings of k≥2 are remarkably different fromordinary squeezing mainly in the degree and scope of squeezing.

接着运用数值计算的方法，研究了KPAS的瞬时行为，即压缩程度在某一时刻τ随场的初始强度〓的变化，发现普通压缩与k≥2的压缩之间存在着显著的差别，主要体现在压缩的程度与范围两方面。

We also propose a simple motion re-estimation method for video transcoder, which has very low computation and qualifies for real-time transcoding.For increasing prediction accuracy, BMA is first demonstrated to be inaccurate for nontranslation motion.

为了减小运动估计的预测误差，本文从根本上解释了BMA不能表示非平移运动的缺陷，引入基于节点位移的可变形块运动模型，给出预测精度高、运算量低且易于实现的节点位移搜索算法，有效减小预测误差。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。