查询词典 two dimensional

RT-3DE shows clearly full view of the primary atrial tumor than two-dimensional echocardiography and obvious image differences between atrial myxoma and malignant atrial tumor. It is a convenient, quick and precise modality for diagnosing primary atrial tumor and may be of significant clinical value for the diagnosis of primary atrial tumor.

RT-3DE比二维超声心动图更清晰显示原发心房肺瘤全貌形态，黏液瘤与恶性心房肿瘤图像特征差别明显，RT-3DE是诊断原发心房肿瘤简便、快捷和准确的检查方法，RT-3DE对原发心房肿瘤具有重要临床诊断价值。

Two- dimensional KUB examinations were performed 1- 2 weeks,1 month,3 months and 6 months after the therapy. RESULTS:Elimination of marginal nephrolith was observed in 70 cases(90.9 ％),residual in 5 cases and ineffective in 2 cases.

应用 MZ- V型低能量体外冲击波碎石机治疗边缘性鹿角形结石 77例，部分缘性鹿角形结石 49例，完全缘性鹿角形结石 6例， ESWL 治疗后 1， 3， 6 月进行 B超、 KUB检查和随访。

On the basis of model of steady state of two dimensional semi infinite vertically buried tube and Newton exchange heat formula, the outside heat release coefficient is deduced from vertical tube in different depth of geothermal water well to ambient medium.

根据二维半无限大垂直埋管表面的稳态放热模型及牛顿换热公式，推导出地热水井在不同深处的垂直管道外表到周围介质的外部放热系数。

Two dimensional non equilibrium sorption pseudo steady state model of coalbed methane for vertical well is derived in combination of an American model with the filed situation.

借鉴美国现有模型，结合我国现场实际情况，建立了二维煤层气垂直井的非平衡拟稳态井底渗流数学模型。

It is revealed from the study of the two-dimensional model that the non-conservative impulsive force plays a significant role in the exchanging process of energy.

对二维模型的研究表明，非保守力在体系与外界能量交换中发挥重要作用。

We have done some exploratory work from several aspects to generalize the Brownian motor to the more real situation: The model which molecular motor has internal degree of freedom; The track on which the Brownian particle moves cannot be completely ordered and contain certain amount of disorder, the model is rocking ratchets with stochastic potentials; A two-dimensional ratchet model with a non-conservative force to realize the coupling between the mechanical and chemical processes.

目前大多数的研究工作是把分子马达抽象为一维的点粒子，我们在推广布朗马达到更真实的方向上开展了以下几个侧面的研究分子马达动力学行为的探索性工作：分子马达具有内部结构的电偶极子模型；考虑分子马达的轨道不规则、不光滑的摇摆棘轮模型；提出一个具有非保守脉冲力场的二维棘轮模型。

First, FEM with nonhomogeneous elements is used to analyze the fracture problem of two dimensional FGM strips with inner cracks or edge cracks in the plane strain condition. The influences of geometric parameters, material graded modality and nonhomogeneity constant of the structure on the stress intensity factors at crack tips are investigated.

首先，本文采用该方法研究了平面应变状态下，含有内部裂纹和边裂纹的二维功能梯度条的断裂问题，分析了结构的几何参数、材料梯度形式和梯度参数对裂纹尖端应力强度因子的影响。

To avoid the SSS problem, a nonsingular within-class scatter matrix is constructed directly using the original two dimensional image matrix, and DLDA method is used to obtaining the feature matrix in this new algorithm.

该算法在克服小样本问题的同时，不会丢失图像中的有用信息，而且可以避免采用奇异值分解导致的无法精确计算特征向量的问题。

In order to determine the Poincare normal form of linear operator in the operator differetial equation, we need to reduce the vector-value function to the two dimensional case on center manifold.

要证明以上的结论，我们所采用的方法是[24]中的Hopf分支定理所给出的判断Hopf分支存在性及分支周期解稳定性方法。

With space and time two dimensional signal, a matrix is constructed, and the null space of the matrix is utilized to realize SDMA. The complexity of this technigue is analyzed.

该算法通过对空时二维信号的处理，发送空时二维信号构成一个矩阵，利用矩阵的零子空间以实现空分多址。

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。