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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。

The system gets two image of one object with two CCD, thus obtains depth from two CCD"s parallax. After investigating the operation spot and discussing with surgeons we use LED as markers, and get the marker"s 3-D position with a non-contact optics orientation method. After calibrating the CCD, processing the image, the system can figure out marker"s areal coordinates, get marker"s 3-D coordinate in dummy world coordinate system, thereby obtain instruments 3-D position and orientation. After the coordinate transformation and a series of orientation calculation, operation navigation comes true.

运用两个摄像机对同一目标从不同位置成像，进而从视差中恢复距离；通过对手术现场的仔细了解与手术医师的反复商榷，使用LED作为标志点，利用非接触式光学定位方法提取空间点位置信息：通过对摄像机的标定、图像处理及目标点重心的计算，求出空间点在虚拟世界坐标系下的三维坐标，从而确定了手术器械等的空间位姿，通过空间坐标转换及一系列定位计算，完成了手术导航实验系统。

After some of; of the glove when some committing the crime commits the crime, be in spot aspersion, benzine, lime, 666 pink or sweep the floor wait for a method, destroy cotton of the bag on socks of coat of shoe of footmark; some, foot, or change the shoe that wears other, the article that makes pretending; when the finish after some cases commits the crime, be used even with this and incendiary destroy the site, this gives collect in the round mark obtains evidence and undertake examining working bringing very great difficulty.

有的作案时带手套；有的作案后在现场洒水、汽油、石灰、六六六粉或扫地等方法，破坏足迹；有的鞋外套袜、脚上包棉花，或换穿他人的鞋，以此进行伪装；甚至有的案后毁掉作案时用的物品以及放火破坏现场，这就给全面采痕取证和进行检验工作带来很大困难。

The CBRC allows commercial banks to implement the internal rating method by stages, however, when a commercial bank obtains the approval for using the internal rating method, its asset coverage ratio calculated according to the internal rating method (risk-weighted assets calculated according to the internal rating method)/(risk-weighted assets calculated according to the internal rating method + risk-weighted assets of other credit risk exposures calculated according to the revised capital supervisory provisions) shall not be lower than 50%, and it shall formulate the plan for the implementation of internal rating method by stages, so as to ensure that the asset coverage ratio reach 80% in three years.

银监会允许商业银行分阶段实施内部评级法，但在获得许可使用内部评级法时，采用内部评级法的资产覆盖率（按内部评级法计算的风险加权资产/［按内部评级法计算的风险加权资产＋按修订后资本监管规定计算的其他信用风险暴露的风险加权资产］）应不低于50％，并制定分阶段实施内部评级法规划，以保证3年内资产覆盖率达到80％。

The partner is following the puberty arrival, middle-school student's physiology and the psychology has the rapid change, the innermost feelings is breeding the astatic factor, particularly consciousness dim awakening, they longed for that obtains the opposite sex favorable impression, has the puppy love phenomenon gradually.

伴随着青春期的到来，中学生的生理和心理发生急剧变化，内心孕育着很多不安定的因素，尤其是性意识的朦胧觉醒，他们渴望得到异性的好感，逐渐产生早恋现象。

In this paper,the author discusses the multi-layer solution with two special limits in boundary layer of the singularly perturly boundary value problem and obtains uniformly valid zero order asymptotic expansion by using the matching asymptotic expanding method.

利用匹配渐近展开法，讨论了奇摄动边值问题中边界层内存在有两个特异极限的多层解，得出了奇摄动边值问题的一致有效的零次渐近展开

This involves real estate and obtains the system , family matters attorneyship and inhabits the conflict question with safe right and wade with good intention .

这涉及到不动产善意取得制度，家事代理权以及居住权和交易安全的冲突问题。

Third, the star Barke's case is Chinese Enterprise and the overseas-funded enterprise in the process which manages together, the foreign service standard system and China's culture organic fuses in together and obtains the huge success the illustrative case.

三、星巴克的案例是中国企业与外资企业在共同经营的过程中，把外国的服务标准体系和中国的文化有机的融合在一起并取得巨大成功的典型案例。

From the segment descriptor, the processor obtains the base address of the segment in the linear address space.

处理器从段描述符中，得到线性空间中的段基址。

Company technical force abundant ,management strict ,the equipment is advanced ,A construction area of 2,500 square meters of industrial maternity ward and efficient detection equipment ,The product obtains the Qinghai Province quality engineering supervision bureau to issue " National Industry Product Production Permit (QS630126010002)", The main products are Bee Products of " Plateau Antelope "(Honey ,bee royal jelly ,bee royal jelly freezing and drying powder soft capsule ,bee pollen capsule ,bee glue soft capsule ),barley vermicelli.

公司技术力量雄厚，管理严格，设备先进，有建筑面积2500m2的工业厂房和高效的检测设备。所生产的产品获得青海省质量技术监督局颁发的《全国工业产品生产许可证》（ QS630126010002）。主要产品有"高原藏羚"牌蜂产品（蜂蜜、蜂王浆、蜂王浆冻干粉软胶囊、蜂花粉胶囊、蜂胶软胶囊）及青稞挂面等系列产品。

Salt is good, but if the salt becomes flat and tasteless, with what do you season it?

14：33 盐本是好的，盐若失了味，可用什么叫它再咸呢？

He reiterated that the PLA is an army of the people under the leadership of the Communist Party of China.

他重申，人民解放军是在中国共产党领导下的人民军队。