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Results (1)the model test of puncture accuracy rating: we embed oval marking rubber mud in basal nuclei of skull sample ,determined puncture point by position indicator after computerized tomography, and punctured vertically or reelected the puncture point, the mean error was within 5mm.
结果 ⑴穿刺精确度的模拟试验:在人体颅骨标本基底节区埋置椭圆形"十字"标记橡皮泥块,以中心为靶点,行CT扫描后用定位仪确定穿刺点,垂直及改选穿刺点穿刺,总平均误差在5mm以内。
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By this I mean to say that his painting becomes an action, one in which we instantly have a moment of clarity and "return to zero."
在此,绘画成为一种行为,而这个行为的意义在於让我们短暂地实现一次"清空回零"。
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On these basic, we explore the single-particle resonant states by the analytic continuation in the coupling constant method within the framework of the relativistic mean field theory.
在这些工作的基础上,我们将ACCC方法和RMF理论相结合,研究了原子核的单粒子共振态能量、宽度。
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Further, we investigated the possible impact of SDP on ENSO event in interannual scale by researching the anomalous characteristics of sea temperature, wind, convergence and divergence, total cloud amount, radiation and so on. The results showed that the influence of SDP on ENSO involve not only the process of positive and negative air-sea feedback, but also the interaction between atmospheric circulation over tropical and subtropical, specially the eastward propagation of anomalous zonal wind from the equatorial Indian Ocean to the Pacific Ocean. Otherwise, it also relates, to some extent, to the transition of large-scale climatic mean flow over the Indian Ocean and Pacific Ocean.
进一步,本文通过分析SDP事件前后期海温、高低层风、低层辐合辐散、高空云量和辐射等的变化特征研究了南印度洋偶极型海温异常在ENSO事件中的作用,结果表明:SDP在ENSO事件中的作用不仅涉及海气相互作用的正负反馈过程,还与热带和副热带大气环流之间的相互作用有关,特别是与东南印度洋海温变化所引起的异常纬向风由赤道印度洋向赤道太平洋传播的过程等有十分直接的关系;同时,SDP对ENSO事件的影响在很大程度上还依赖于大尺度平均气流随季节的变换。
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We introduce the general sigma point selection framework, and give two kinds of efficient methods: a reducing the computing complexity by decreasing the number of the sigma point; b scaling the sigma points to influence the effects of the higher order moments, then improve the accuracy of the UT; c Convergence analysis of the UKF, when used as an observer for nonlinear deterministic discrete-time system, is presented. Based on the UKF that captures the posterior mean and covariance accurately to the second or third order term (in terms of Taylor series expansion) for any form of nonlinearity, sufficient conditions to ensure local asymptotic convergence are established.
论文介绍了sigma点的一般选取规则,并给出了两种有效的方法:a通过减少sigma点集合的元素的数目来减少计算复杂度,b通过增加参数来逼近泰勒展开的高阶项,从而提高UT变换的精度;c论文研究了UKF算法应用于非线性确定性离散时间系统时的收敛性问题。
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By avoidance, we don't mean complete avoidance of foods.
被撤销,但我们并不是完全避免的食品。
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We then introduce a conformal invariant quantity which is formulated in terms of the square of the length of the trace free part of the second fundamental form and the mean curvature, and prove that if this quantity is bounded above by that value of the Clifford torus then x is either a totally umbilical sphereor a conformal Clifford torus.
接著我们介绍一个由第二基本型式迹为零部份的张量长度平方与平均曲率形成的保角不变量,并证明此保角不变量的上界若为Clifford环面之值,则x不是全脐球面就是Clifford环面的保角类。
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Hypertension was diagnosis by 24h ABPM. At mean time, we studies 24h BP chance before and after treatment with CPAP.
对合并SAS的高血压患者HRV的研究,有助于更好地理解SAS与心血管疾病的关系。
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Chapter 1 reviews recent investigation in Bose-Einstein condensation, and analyzes critical point and condition of phase transition. Chapter 2 introduces the experiment of Mott insulator and superfluid phase transition in dilute atomic gases, theoretic mode and some studying. In chapter 3, we study the influence of dipole-dipole interaction of two component BEC in optical lattice, by Green function technique and mean-field approach. The results show that long range interaction and dipole-dipole interaction can be strongly influence the phase transition of two component.
本文内容分为四章,第一章对BEC近几年的研究回顾,分析了理想情况下凝聚的临界行为和凝聚条件;第二章我们介绍了光格子中绝缘-超流相变和理论模型及其描述;第三章我们利用格林函数和平均场近似的方法,对偶极-偶极相互作用在光格子中两分量BEC原子的超流-绝缘相变的作用进行了分析,结果表明偶极-偶极相互作用和长程相互作用对绝缘-超流相变有很大的影响。
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By the atonement of Christ we generally mean his work by which he expiated our sins.
由赎罪的基督,我们通常意味著他的工作,其中他expiated我们的罪过。
- 推荐网络例句
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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。
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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。
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When I was in school, the rabbi explained everythingin the Bible two different ways.
当我上学的时候,老师解释《圣经》用两种不同的方法。