四维
- four-dimensional;of four dimensions;limbs;all sides;four moral standards in ancient times;northeast,southeast,southwest,and northwest
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(1) [four moral standards in ancient times]∶古代指礼、义、廉、耻四种道德准则,认为是维系国家所必需的
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四维不张,国乃灭亡
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(2) [northeast,southeast,southwest,and northwest]∶指东南、东北、西南和西北四角
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帝张四维,运之以斗--《淮南子》
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(3) [all sides]∶指四方
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流落四维
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(4) [limbs]∶即四肢
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因于气为肿,四维相代,阳气乃竭。--《素问.生气通天论》。马莳注:四维者,四肢也。
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对于四维CT图像,研究和实现了两种提取呼吸信号的方法。
For the four-dimensional CT images , two kinds of respiratory signal extraction methods have been implemented .
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D+CD4→CD3+D2反应的四维量子散射计算
Four-dimensional quantum scattering calculations on the D + CD_ 4 → CD_ 3 + D_ 2 reaction
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礼义廉耻,国之四维。
Sense of propriety , righteousness , honesty , and shame are the four cardinal virtues in running a nation .
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域Fp上四维结合代数的同构分类
Classification of Associative Algebras of Dimension 4 Over Field F_p
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基于DSP的四维混沌系统生成
The 4-D Chaos Signal Generation Based on DSP
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秘鲁产人参保健品HPLC和四维UV指纹图谱研究
Study of HPLC-FPS and 4-Dimensional UV-FPS of Peru 's Ginseng healthcare product
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具有U(3)U×(3)内部对称性的四维弦模型
Four Dimensional String Model with U ( 3 )× U ( 3 ) Internal Symmetry
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变分同化中的伴随方程伴随方程在水汽资料四维同化中的应用I.理论
The Four-Dimension Assimilation Problem of Water Vapour by Means of the Adjoint Equation Part I. Theory
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根据这一性质,本文第五章在实验设计时引入pH值作为第四维。
In chapter 5 , we introduced the fourth dimension ( pH dimension ) in the design of experiment according to this property .
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挑战·机遇·前瞻加入WTO的影像文化之透视简论声像四维空间电影理论新路探析
Challenge , Opportunity and Forward-looking-Movie and Audiovisual Culture after China 's Entry into the WTO in Perspective The Four Dimensions of the Audiovisual Space
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六自由度Stewart平台四维工作空间搜索方法
Four dimension workspace search method for six degree of freedom Stewart platform
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通过测定在5个不同pH值条件下不同浓度的盐酸普鲁卡因的激发发射荧光光谱,构建四维荧光量测矩阵。
A four-way response data array was constructed by measuring excitation-emission matrix fluorescence of different concentrations of procaine hydrochloride in five different pH values .
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从四维Langevin方程的MonteCarlo模拟计算裂变碎片动能分布
Calculation of the kinetic-energy distributions of fission-fragments from Monte-Carlo simulation to the four-dimensional Langevin equation
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使用四维坐标来表示物体的透视变换矩阵,通过对该矩阵进行归一化处理,简化了Z坐标的计算;
Using 4D coordinate to express the convert matrix of perspective , it is predigested to calculate Z coordinate through changing to one .
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与常规闭管扩散的均匀恒定温度场不同,激光诱导扩散是在四维(x,y,z,t)非均匀温度场中进行。
Laser induced diffusion is performed within a non-homogenous 4-D temperature field , which is different with the normal closed-ampoule diffusion in a homogenous and steady temperature field .
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1843年,威廉汉密尔顿(williamhamilton)在都柏林发明了四元数,将虚数扩展到四维空间。
Quaternions , which extend imaginary numbers into a further dimension , began to be developed by William Hamilton in Dublin in 1843 .
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目前,四维地震或者说时移地震方法是CCS安全性监测的最有效手段。
In general , 4D seismic monitoring or time-lapsed seismic method becomes a necessary process for security of CCS .
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广义四维谐振子位势的B-S波函数
B-S wave function for a generalized four-dimensional harmonic oscillator
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此外,在直线加速器上嵌入两正交的X射线成像系统,以实时跟踪肿瘤目标的位置,也是四维放疗研究的一个方向。
Moreover , two orthogonal X-ray imaging systems mounted on the gantry of a medical linear accel-erator for tracking the real position of tumor is also an interesting aspect in 4-dimensional radiotherapy study .
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在此基础上,通过增加一维坐标轴可以进一步实现四维Lorenz散点图的分析。
On this basis , by increasing the one-dimensional axes we can further come to the 4-D Lorenz plots analysis .
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同时指出我国国土资源大调查的重点在开展微型化嵌入式GIS、三维/四维GIS、网络GIS等方面的研究。
And it is pointed out that the key to the China 's survey of territorial resources lies in carrying out such researches as embedded GIS , 3D / 4D GIS , web GIS , etc.
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Minkowski时空中的四维力
4-dimension force in Minkowski spacetime
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利用傅立叶变换,求出了低速双荷粒子系统在双四维势下具有Lorentz变换协变性的辐射频谱。
Finally , by using the Fourier transformation we get the Lorentz covariant electromagnetic radiation spectrum for the low speed moving dyons .
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四维Brouwer不动点定理的改进
The Improvement of Four Dimensional Brouwer Fixed Point Theorem
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四维自时滞Rossler系统的同步及其在音频通信中的应用
Synchronization of 4D Time-delay Chaotic Rossler System and Its Application to Voice Communication
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本文分别研究了含多参数的四维映射系统的周期倍化分叉和Hopf分叉的参数临界值的代数判据。
Two criteria for determining the critical parameter values of period doubling bifurcation or Hopf bifurcation of a general four dimension mapping system are presented in this paper .
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利用改进变分法求出了正切作用量的四维SU(2)格点规范理论的元格内能和比热曲线。
By using improved variational method , the internal energy per plaquette and the specific heat curves of the Tangent action in SU ( 2 ) lattice gauge theory arc worked out .
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文章研究了一类四维信息保障(IA)模型,包括IA目标维、IA能力维、IA措施维和IA时间维。
A four-dimensional IA model was studied in this paper , which includes IA object dimension , IA capability dimension , IA countermeasure dimension and IA time dimension .
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本文导出旋转的Rayleigh-Benard问题的四维Lorenz模型并对该模型进行数值求解,分析系统参数对Lorenz吸引子的影响。
A four-dimensional Lorenz model for rotating Rayleigh-Benard problem is derived in this paper and the solution of the model is numerically investigated .
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利用高速DSP芯片TMS320C25乘加流水线及块操作指令提高机载PD火控雷达四维跟踪系统数据处理速度。
Utilization of the multiply / accumulate pipeline and block move instructions is shown to improve data processing speed in an airborne PD fire controlled Radar 4 dimension tracking system .