查询词典 maximum condition

According to the change of the enemy\'s quantity and the qualitative theory of the differential equation, we research the spruce aphides and its predator system. At the same time, we discussion the spruce aphid multiplication model when the natural enemy quantity is a certain value and the periodic oscillating model whose the quantity of the natural enemy changes along with the time. Obtains the stability condition of the balance point and the limit-cycle existing condition, the system presents the dissipative structure\'s character. Finally it explains that this theoretical analysis has certain practical significance regarding the preventing and controlling harmful insect.

第五章，松毛虫与其天敌的关系是食饵和捕食者的关系，根据天敌数量的变化，利用微分方程定性理论，研究松毛虫与天敌系统，讨论天敌数量为一定时的松毛虫增殖模型和天敌数量随时间变化的周期振荡模型，得到正平衡点全局稳定性和极限环的存在条件，通过计算机模拟，说明周期振荡的捕食模型能够呈现典型的时间耗散结构特征，对于防治害虫有一定的实际意义。

A general formula for computing the OTF of a defocused optical system is derived from the Kirchoff diffraction integration under an approximate condition which is weaker than the Fresnel condition.

本文从基尔霍夫衍射积分公式出发，在弱于菲涅耳条件的近似下，以高斯像面的像差量及系统的离焦量为参变量，导出了便于计算离焦光学系统的OTF的普遍算式。

On equipment, now the corporation owns two air-condition storerooms with storage capacity of 12 thousand tons, 16 fruit processing lines and relevant appurtenant equipments and adopts advanced Italian air-condition equipments, so technical strength is rich and facility is complete.

公司现有气调库两座，存储量为12000吨，采用先进的意大利气调设备，拥有水果加工生产线16条及相应的附属设施，技术力量雄厚，设施完备。

On the basis of collecting systematically the materials of the physical prospecting, the geological drilling and the water pumping experiment of the mine, geological structure ,aqui- fers and other hydrogeological condition of the minefield have been detailedly researched. Finally, the conclusions that geological structure of the mine is ***, aquifers belong to the aquosity small rock layer, hydrogeological condition is ***, were drawn.

在系统收集该井田矿井物探、钻探和抽水试验资料的基础上，对井田内地质构造、各含水层等水文地质条件进行了具体研究，得出结论为矿区地质构造简单；含水层属于含水性弱或微弱的岩层；水文地质类型为中等。

In the respect of data interpretation proceeding, the paper carried out the inversion calculation of experiment data with the resistivity CT method, gave some study on the image effect when the iron bodies were placed flatly close to water level under semi-space condition and were placed flatly, vertically or aslope to the water level under whole-space condition.

在资料解释处理方面，本文采用了电阻率CT法对实验数据进行反演计算，研究了半空间和全空间条件下铁块水平、垂直和倾斜放置时的成像效果，由效果图可以看出，通过电阻率CT法反演出的铁块的位置与水槽模拟实验中铁块的实际位置吻合的较好。

Based on modeling test in water tank, this paper employed three different iron blocks to model water-bearing bodies and enclosed plastic pipes or rounded wood strips to model roadways. It gave physical modeling of water-bearing bodies in the working face floor with parallel Bipole-Dipole method, made analysis on the character of electrical field and the law of apparent resistivity changing when the low resistivity abnormity bodies were placed flatly close to water level under semi-space condition and were placed flatly, vertically or aslope to the water level under whole-space condition.

本文以三种不同规格的铁块模拟含水体，以密闭的塑料管或木块条模拟巷道，通过水槽模拟实验，采用平行双极—偶极法进行了对工作面底板含水体的物理模拟，分析了低阻异常体铁块在半空间条件下近水面水平放置以及全空间条件下水平、垂直和倾斜放置时的电场特征和视电阻率变化规律。

Only assignee condition condition to allow only the assignee to execute a transition.

只允许分配到任务的用户执行变迁的条件！

Finally we can write out the verification condition of a path according to some rule, depending on assertion of the path's start point, assertion of the path's end point, condition expression and assignment statement of the path.

最后，有了路径起始断点的断言，路径的条件表达式、赋值语句，路径的终止断点的断言，按照一定的规则就写出了这条路经所对应的验证公式。

This technique is used for the axisymmetric magneticstatic problems and the result is good. In the second example of the forth chapter, the error of the third–order Asymptotic Boundary Condition is lower than that of the second-order Asympototic Boundary Condition.

第五章针对这一问题，进一步对渐近边界条件进行了推导，分析了一些特殊电荷和电流分布情况下，电位、标量磁位和矢量磁位的多极矩展开式中各极矩项的性质。

Furthermore, the existing condition of stable controlling for another form of the system is studied and the sufficient condition of making a closed loop system asymptotically stable in local bound is also discussed.

然后，研究了另一形式的滞后离散广义双线性系统稳定控制存在的条件，并给出了使闭环系统局部渐近稳定的充分条件。

The studies on the developing of new media are very important to the increasing of the area density of HDD and to the implementation of hybrid recoding technology.

光磁混合记录方法，是一种可以突破超顺磁极限的限制，并进一步提高硬盘记录密度和读写速率的一种新型超高密度信息存储方式。

In io, mTOR inhibition promotes T cell anergy under conditions that would normally induce priming.

体内研究中，在正常可激发免疫反应的条件下，抑制mTOR可促使T细胞无能。