In the paper we discuss immovability of model of source management by optimal basis matrix.

讨论了最优基变化对资源管理决策学模型没有影响情况。

It is possible to model such a system mathematically.

做出这种系统学模型是可能。

A three-dimensional numerical model is developed to simulate reaeration in rivers using a body-fitted coordinate system .

本文建立了适体坐标系下河流三维复氧学模型。

Em- phasis is laid on the walking system of APU,and mathematical model for the system is set up.

介绍了某加榴炮辅助推进装置(APU),重点讨论了 APU 行走系统,建立了系统学模型。

To predict the slot film-cooing adiabatic effectiveness, a mathematic model was developed based on cohence non-isothermal jet theory.

摘要在伴温射流基础上发展了一种适于缝槽气膜冷却绝热温比预学模型。

CONCLUSION: The method is simply and intuitionistic, and has good effect to find the hemorrhage in endbrain white matter.

这种方法可以找到脑白质内血肿,其学模型简单,运算量小,思路直观。对于辅助诊断端脑白质出血具有较好效果。

The mathematic model of one dimensional multi stage carburation is obtained and it can describe every physical phenomenon in carburation.

该文建立了多段法渗碳一维学模型,此学模型能够清晰地描述渗碳过程中每一时段物理行为。

According to the properties of lost circulation in the creviced formation, this paper presented a mathematical model of the lost circulation law.

本文根据地下裂缝漏失特性,建立了地下裂缝漏失规律学模型,并导出了各种流体在裂缝中流动规律。

Based on those experiments, a mathematic model of process of intumescence was established with the neglect of the transfer motion of the bubble.

在实验基础上，忽略气泡迁移，建立了膨胀过程学模型。

A numerical model of polymer debinding in PIM is proposed, the stress distribution in the greenware is analyzed and the process parameters is discussed.

建立了PIM脱脂过程中高分子高温裂解脱除学模型,分析了生坯中应力分布,并讨论了热脱脂工艺参。

In this paper, the mathematical model of the reltion between water saturation vapor pressure and saturated temperature is established in the form of monoacidic polynomials.

提出了一元多项式形式水蒸气饱和压力与饱和温度关系学模型，进行了牛肉冻结过程计算机模拟，在此基础上进行了牛肉冻结过程中干耗量值计算。

Designed a set of electro-hydraulic proportional system of forming hydraulic press of heteropolarity multilevel magnetic ring, established the mathematical model of the top plunger cylinder.

设计了极异方型多级磁环成形液压机电液比例控制系统,建立了上模缸上腔学模型。

A mathematical model of tide zoning correction is proposed.Based on the computational model, a new tidal correction mode using single suppositive grid tide station is designed.

摘要提出了一种顾及潮时差变化多验潮站多边形潮汐分区改正学模型，设计了海量多波束据通虚拟单验潮站改正模式。