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As a natural result, the mass matrix is a positive definite consistent and time-independent one, and the two time-dependent and nonsymmetric matrice, that is, the "gyroscopic damping" and "centrifugal stiffness" ones, don't exist in the equation.

在不附加任何&运动学&假设的情况下，作为自然的结果，方程的质量阵是正定、协调的常数阵；方程中不存在两类时变的非对称系数项，即所谓的&陀螺阻尼&项和&离心动刚度&项。

Based on those analyses and conformed international and national economic condition in china and some intrinsic defects of target zone regime, author transform target zone exchange rate regime by dividing two layers and bring forward a new exchange rate regime: double-layer-monitor exchange rate regime, the new model have possessed two merits, one is that the new model make "hollymoon effect" of target zone recurrence,and the merit can alleviate the fluctuation of exchange market;another merit is that the new model is a self-regulation system, that is say, the model can avoid long-term misalignment of exchange rate, those merit have major significance for china economy sustainable development and Chinese financial system more perfection, in paper we also present some fiscal policy and money policy served as a foil to double-layer-monitor exchange rate regime in order to make it work well, at last, we conclude that the new model will be the prior selection of RMB exchange rate regime reform for a long time form now on, and it also can serve as the bridge of RMB exchange rate regime steering to one of bipolar—free float.

在这些分析的基础上，并考虑到当前中国所面临的国际国内经济环境，针对汇率目标区的一些固有缺陷，笔者又对汇率目标区模型进行了分层改造，提出了一个新的汇率机制模型：汇率目标区双层监控模型，该模型有两个主要优势，一是可以使&蜜月效应&得以重现，从而避免外汇市场的过度波动；二是该模型是一个自稳定系统，能够进行自我调整，使实际汇率同长期均衡汇率保持一致，从而避免实际汇率的长期错位。这些优点对于我国经济的可持续发展，对于我国金融的更加完善，有着十分重要的意义。为使汇率目标区双层监控模型良好运行，论文还就相应配套的财政政策、货币政策措施作了探讨。最后得出结论，按照汇率制度&并存继起&假说，今后很长一段时间内，汇率目标区双层监控模型都将是人民币汇率制度的合意选择，另外，它也可作为人民币汇率制度向独立浮动制过渡的桥梁。

So you mother cat cat dad sure to carefully deal with the situation of the kitten, convinced that they are not infected by any disease under the premise (a family environment to ensure that all food and sanitation, immunization has been kitten) can be stopped and fed canned To digest the bad meat, such as food, a milk-fed two pieces of Health, can be two or three times a day, so that one day the time will be the effect.

所以各位猫爸猫妈请一定要仔细对待小猫的这种状况，在确信没有染上什么病的前提下（家庭环境和食物都能保证卫生，小猫也免疫过）可以，停喂罐头和肉等不好消化的食物，一次喂两片乳酶生，一天两三次就可以了，这样有一天的时间就会见效了。

Milkmen had long ago ceased to exist in Beijing, milk being sold abundantly in stores now; still, approaching ninety, she was snatched from time to time by the old fear that a neighbor or a passerby would swipe their two rationed bottles.

但九十九高龄的老母亲总是担心邻居或是陌生人把奶瓶弄碎。费老师走进客厅，她还在说

Once upon a time there was a poor peasant by the name of Crab who drove two oxen with a load of wood into town where he sold it to a doctor for two thalers.

从前有一个贫穷的农夫名叫螃蟹，赶着两头牛拉了一车木头进城，以二个金币的价格将木头卖给了一个大夫。

The compatibility of both Gvirens and B.firmus was researched. The fermentation filtrate of Gvirens , under the concentration of 70%, had not distinct inhibitory activity to B.firmus, the biomass of B.firmus would decrease with above the 70% filtrate of Gvirens, but the fermentation filtrate of B.firmus had not inhibitive role to Gvirens. 7, The cooperation control of both Gvirens and B.firm to the pine needle blight was explored:(1) Pathogen inoculation happened prior to the bio-control treatment for 7 days, however, the disease index and control effect had not distinct differences in any treatments even if combination of the two antagonists, but the susceptibility for different kind of pine were different.(2)when antagonist and pathogen were inoculated at the same time, some control effect to the pine needle blight, including certain extent cooperation control of both Gvirens and B.firm were proved, but it wasn't distinct when two antagonists used separately, and the change of the antagonist concentration had little effect to the control effect.

G.virens与B.firmus对松赤枯病的协同控制显示：(1)预先接种病菌后(7天)再进行生物防治处理，不管那种情况，感病指数和防治效果在处理间差异不明显，浓度影响无显著差异，即使是两种生防制剂联合作用也未显著提高其防效，但不同树种间的感病性有明显差异；(2)领抗菌与病原菌同时接种，对松赤枯病有一定防治效果，两菌联合有一定的协同作用，两菌分别单独施用防效差异不显著，浓度变化对防效影响不大；(3)预先接种颇抗菌能显著提高防治效果，两菌联合处理防效更优，感病树种的感病指数可降至13一15，抗病树种的感病指数可控制在3%左右；在同一浓度下B.f1'r功US、叹叮厂即s间无显著差异，在同一领抗菌下，浓度愈高，防效愈高：松，(4)三种生防接种方式的平均效果分析表明，叹F行ens最高平均防效49.5%黑 B。

In order to satisfy the real-time control of air/fuel ratio,this model was simplified based on two supposals as follows:(1) the intake air mass flow rate has a linear form with the product of the two established expressions,the throttle angle expression and the intake air pressure expres...

为满足基于模型进行空燃比实时控制的要求，基于以下两个假设对模型进行了简化：(1)假设进气流量与模型所建立的关于节气门开度和进气压力的表达式的乘积成线性关系；(2)充量系数和进气压力的乘积与进气压力成线性关系。

Design of a high-rise business-living building with double-tower structure with enlarged base ;2. Dynamic response analysis of an asymmetric two-tower tall storeyed building with enlarged base ;3. Based on the mode analysis and time-history analysis of two examples,the vibration characteristics of the connected twin-tower structures with enlarged base in vertical earthquake excitation was discussed in this paper,and the calculating results of the structures with or without connecter,both with enlarged base are compared.

采用平面杆系模型并用静力凝聚法消除结构耦联的水平自由度和转角自由度，结合两个算例的竖向振动模态分析和时程响应分析，探讨了大底盘双塔楼连体结构在竖向地震作用下的振动特性，对比了大底盘双塔楼结构有无连体结构形式的计算结果，得出了这种结构形式在竖向地震作用下的一些特性和具有参考价值的结论。

The results show that the atomic population is time-independent provided that the atoms are in |β11〉 state. For the other three Bell states, there will appear the periodical collapse revival of atomic populationif the initial mean photon number reaches some special values. With the increase of the initial mean photon number, the oscillation frequency of the time-evolution of atomic population increases correspondingly, and the amplitude decreases. The degree of the entanglement of the two-mode entangled coherent field has no

结果表明，当双原子体系的初态为|β11〉时，原子布居均不随时间变化；当双原子体系的初态为|β00〉，|β01〉或|β10〉且初始平均光子数达到一定值时，演化特性呈现周期性的崩塌-回复效应，并随初始光子数的增加，其演化曲线的振荡频率增大，振幅减小；双模纠缠相干光场的纠缠程度不影响Rabi振荡频率，但对振幅影响显著； Kerr介质与光场耦合系数达到一定值时，对Rabi振荡频率和幅度及原子布居的崩塌-回复周期产生强烈影响。

With the warm spring wind is gathering flowers fairy paradise; summer flowers and green leaves, is worth two cents of their dance scene; of the fall harvest season and as warm as in spring, is the desire of God at a time when Enron; winter The cold is expected Qiao, Snow White is the time to travel the world ......

春天的风和曰丽，是百花仙子的聚会天堂；夏季的千红万绿，是百鸟舞仙的尽展舞台；秋天的春华秋实，是愿望之神的安然之时；冬天的春寒料俏，是白雪公主的人间旅行时光……无一不体现出人类社会生存环境中的绝品。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。