查询词典 three-body problem

However, research on the relationship between herdman's production behavior and grassland degradation is not very much.Peasant problem is the core of"Three Agricultural Problems"in China.

大多相关研究集中在区域内草地退化的表现和原因，而将牧民作为研究对象，从牧民的生产生活出发探究草地退化之间成因、寻求抑制草地退化措施的研究尚不多见。

Finland solved the same problem by staging marathons in which participants had to keep three hulas going, at the neck, hips, and knees.

在芬兰，解决这个问题的办法是在舞台上举办呼拉圈持久比赛，参加者要长时间同时转动环绕在颈部、臀部和膝部的三个呼拉圈。

This paper analyses three tendency of network pioneer poem,"Sensual Composition","Breakage" and "Ant- elevation"."Sensual Composition" give a hard shock on current poem which had a aged character, but it also interflows with the utility of commercial society."Breakage" brings a valiant tidal current in poem composition, also forms a wild style."Ant- elevation" lead poem to the ground, hoist the flag of criticizing social problem, but it can also fall poem into trap of politics.

论文重点分析了先锋诗学中出现的&肉身化&、&破坏性&、&崇低&等三大倾向，认为&肉身化&写作对当下诗歌写作中陈腐的&中老年&特征进行了一次重大冲击，但客观上也迎合了&消费社会&的功利性；&破坏性&力量带来了一股强悍的诗歌写作潮流，解构、反讽、审丑、怪诞等写作手法形成了一种粗暴的美学风格，但也引发了诗歌写作新一轮的戏噱和狂欢；&崇低&将诗歌写作再度引向&地面&，重举批判现实的大旗，拆解虚伪的假面，但其借助网络所强调的&政治性批判&和对写作&政治禁区&的突破正让它面临沦为意识形态工具的危险。

I -- alas, I alone in Flatland -- know now only too well the true solution of this mysterious problem; but my knowledge cannot be made intelligible to a single one of my countrymen; and I am mocked at -- I, the sole possessor of the truths of Space and of the theory of the introduction of Light from the world of three Dimensions -- as if I were the maddest of the mad!

我--唉，在平面国，我孤独无助--现在非常清楚了解这个神秘问题的正确答案；但我却被人嘲笑--我，空间原理以及光由三维空间世界传入原理的唯一拥有者--好像疯子中的疯子一样被人嘲笑！

This thesis deals with oil-water flow rate measurement using a venturi and develops a differential pressure-based two-phase flow rate measurement model, which does a terrific job with the use of a water fraction device. Meanwhile, Coriolis flow rate meter is also studied in the oil-water two-phase flow measurement and a SVM-based single-phase flow rate prediction method is proposed, realizing the prediction of single-phase flow rates. To overcome the disadvantages of both venturi and Coriolis flow meters, a double parameter measurement method is put forward, which combines the two meters and solves the problem of oil-water flow rate measurement. Last but not least, on the basis of the study of two-phase flow, a device for the separation of gas and liquid is designed and realizes the flow rate measurement of three-phase flow as oil, gas and water.

本文对文丘里管测量油水两相流流量进行了研究，建立了基于差压法的两相流流量测量模型，如果与含水率计相结合，可以较好的实现油水两相流的流量测量；同时研究了Coriolis流量计在油水两相流流量测量中的应用，提出了基于SVM的油水两相流分相流量预测方法，实现了油水分相质量流量的预测；针对文丘里管和Coriolis测量油水两相流存在的问题，提出了文丘里管和Coriolis流量计相结合的双参数测量方法，并实现了油水两相流的流量测量；最后，在对油水两相流研究的基础上，设计完成了一种气液分离装置，实现了油气水三相流的流量测量。

The only problem is the not very weighty one of money—not very weighty I say in passing, because I have no wish to enter upon a discussion of the financial and military figures, and of the fact that France has spent three milliards for the improvement of her armaments these last years, while we have spent scarcely one and one half milliards, including what we are asking of you at this time.

长颈鹿看看大麻烟，看看小白兔，于是把大麻烟向身后一扔，跟着小白兔在森林中奔跑。们遇到一只正在准备吸古柯碱的大象，小白兔对大象说：&大象大象，你为什么要做伤害自己的事呢？看看这片森林多么美好，让我们一起在大自然中奔跑吧！&

Chapter one of this text has recommended the foreign insurance to apply financial economy to the products pricing method of insurance company, but these methods have not explained how to determine the fair premium of the multiple-line insurance company .In order to solve many business line insurance company pricing problem, chapter two introduce an very important model in insurance company capital allocation field - MR capital allocation model, through deriving capital allocation formula and simulation analysis indicate MR model allocate multiple- line insurance company capital scientifically. In order to apply MR model to non-life insurance pricing, chapter three will extend MR model to introduce loss 3 and layer P . Since the premise of MR model is a certain market price of loss, the chapter four will use the risk-neutral probability transformation technique to get the market value of loss. Under lognormal distribution, we will use location parameter shift and proportional PH transformation to illuminate the technique. The final chapter combines the prior sections result to deduce out the fair premium formula, and apply it to price the catastrophe insurance.

本文的第一章介绍了国外保险业将财务经济学应用到保险公司产品定价的方法，但是这些方法都没有说明如何确定多业务线保险公司的公平保费；为了解决多业务线保险公司定价问题，第二章引入保险公司资本配置领域非常重要的一个模型—MR资本配置模型，通过推导资本配置公式及模拟分析表明MR模型科学地配置了多业务线公司的资本；为了将MR模型应用到非寿险公司的定价中去第三章扩展了MR模型，引入了损失β和层β的概念：由于MR模型的前提条件是有一个确定的损失市场价值，第四章利用风险中性转化方法获得损失的市场价值，在损失为对数正态分布的条件下，通过位置参数转化和比例危险转化方法给出了实例说明；第五章结合前几章的结果给出非寿险公司公平保费的定价公式，并运用它给出了巨灾保险价格的模拟分析。

While this problem would be easy to repair with a shoe specific glue such as Shoe Goo, it shouldn't happen and certainly not after only three indoor wearings.

另外，这个问题很容易就可以用特殊的补鞋子的胶水解决，当然，如果在室内场地的话，穿三次一定不会出现这个问题。

To solve the problem of low water and ensure water resource utilization, it is significant to bulid the three ecological reservoirs at the upstreams of Lijiang River. In the meantime, water forest protection, society development for water-saving and pollution-decrasing can not be ignored.

解决漓江枯水问题，确保水资源安全利用，在上游兴建3个生态水库具有重要的意义，水源林保护与建设、社会节水防污力度加强也是不能忽视的辅助措施。

They formulate their problem in another way: How does it come about that three twenty- mark pieces are equivalent to twenty thalers despite the fact that the silver contained in the thalers has a lower market-value than the gold contained in the marks?

他们用另一种方式阐述他们的问题： 3个20马克金币相等于20德国元的事怎么会产生——任凭包含在这些德国元中的银比这些马克中的金有一个更低的市场价值？

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。