查询词典 qualitative change

Foliaceous egg form, foliaceous radical department is small inclined, xie Se has green, amaranthine, or green ribbon is violet dizzy wait for change; Provide stipule a pair, film is qualitative.

叶卵形，叶基部微斜，叶色有绿、紫红、或绿色带紫晕等变化；具托叶一对，膜质。

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。

This change in the number of lines of force is the only essential concept for both the qualitative and the quantitative descriptions of the induced current.

这个力线数目的变化不论对感生电流作定性的或定量的描述都是惟一重要的条件。

In recent years, the language study and the language teaching has had the huge change, particularly the foreign language has had the qualitative leap to the second language and learning process's essence's understanding.

近年来，语言学习与语言教学发生了巨大的变化，尤其是外语界对第二语言及学习过程的本质的认识发生了质的飞跃。

This paper analyzes the structural change of land utilization and economic profit of Economic Belt on the Northern Slope of Tianshan Mountains by using qualitative and quantitative methods, pointing out that population increase, economic development and the progress of technology as well as industry escalation are the major driving forces for land use change of the area.

采用定性定量相结合的研究方法，对天山北坡经济带的土地利用结构变动情况及其相应产生的经济效益做具体分析，其中人口增加、经济发展和技术进步及产业聚集、升级是该区域土地利用结构变化的主要驱动力。

2-DE protein expression profiles of T. v, including normal group and Pulsatilla chinensis group are established, and 151 different proteins are found. In the process of Pulsatilla chinensis kills T. v, the qualitative or quantitative change takes place in the above-mentioned protein.

建立了阴道毛滴虫正常组和白头翁组的二维凝胶电泳图谱，识别了151个差异表达的蛋白质，白头翁杀灭阴道毛滴虫的过程中上述蛋白质发生了质或量的改变。

So, our work consists of two major parts: First, we using qualitative and quantitative analysis to prove the effects of monetary policy in non-crisis period is effective and its effectiveness is significant. Second, we analysis the effects of monetary policy in crisis period, especially time slice by means of recurrence method, and do empirical study of each interval sample separately to observe the change of monetary effectiveness.

为此，本文所做的工作主要有以下两点：第一，通过定性分析和实证方法证明在美国经济正常时期，即非危机时期，美国的货币政策是有效的且有效性显著；第二，对次贷危机以来美国的货币政策效应进行分析，以时间递推的方法将危机时期进行分段，并分别进行实证研究观察货币政策有效性的变化。

Mix to kidney spherule respectively the qualitative pathology change degree between kidney canaliculus undertakes half ration gives a mark, immune group is changed detect the expression of Pax2 and WT1, expression of analytic kidney Pax2, WT1 and nephritic pathology integral and its are both the relation between.

分别对肾小球和肾小管间质的病理改变程度进行半定量评分，免疫组化检测Pax2和WT1的表达，分析肾脏Pax2、WT1表达和肾脏病理积分及其两者之间的关系。

First ,it carry on the demonstration analysis to the efficiency of Chinese stock market , judge present efficiency state , then use relevant analysis technology and T examine law in econometrics to analyze the relevant relationship between split share structure and the efficiency of Chinese stock market , and then ,put qualitative analysis on the reason of low efficiency of Chinese stock market and the uncertainty change of Chinese stock market after reform , to investigate the influence degree on the efficiency of Chinese stock market by split share structure .

第三章为股权分置改革对股票市场效率的影响分析，先对中国股票市场效率进行实证分析，判断中国股票市场目前的效率状况，然后运用计量经济学中的相关分析技术和T检验法，对股权分置制度与中国股票市场的效率进行了相关性分析，再从对中国股票市场低效率的成因、股权分置改革后中国股票市场不确定性变化的定性分析中，考察股权分置改革对中国股票市场效率的影响程度。

Technologies such as DirectX, object oriented programming and database are used to realize visual three-dimensional flight simulation system. In the simulation system, operator controls UAV with flight rod. The system can display the change of position and track for UAV with the change of operational input. Flight simulation data can be also recorded. Then we can analysis the operation and stable performance of UAV without empennage with qualitative and quantitative methods.

运用 DirectX、面向对象编程与数据库等技术，实现了基于 PC 机的三维虚拟飞行仿真系统，通过人机交互飞行，可以比较直观地显示无人机的姿态与轨迹随操纵输入变化而变化，同时也可记录分析仿真飞行数据，从而对无尾式无人机的稳定性与操纵性能进行定性与定量的分析评估。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。