space constant 中文意思是什麼
space constant
解釋
空間常數-
In other words, the frequencies of those waves should be constant in time and space a priori
換句話說，那些波的頻率根據推斷在時空上是常定的。 -
Given the initial conditions including ( 1 ) number density distribution in space which has the similar form to the present day ones, ( 2 ) both the power law and gaussian mass functions for clusters, and ( 3 ) two different velocity distributions which one has a constant dispersion and the other is described by the eddington formula, the dynamical evolution of globular clusters in our milky way galaxy is investigated in detail by means of monte carlo simulations
本文採用與觀測結果具有相同形式的球狀星團空間密度分佈函數，在給定兩種球狀星團系統的初始質量譜（冪律的和對數高斯的）和兩種球狀星團系統的初始速度分佈函數（愛丁頓速度分佈函數和常數的速度彌散度）條件下，我們採用montecarlo的方法對球狀星團系統的動力學演化進行討論。 -
The corresponding problem for hypersurface with constant mean curvature in euclidean space r " + l remains open
關于r ~ （ n + 1 ）中常平均曲率超曲面的相應問題至今尚未解決。 -
When the field is slowly - varying, the scalar field potential acts like a cosmological constant. in addition to the quintessence models, many other theories for dark energy have been proposed, including models based on super - symmetric gauge theories, super - gravity, small extra dimensions, large extra dimensions, quantum field theory effects in curved space - time. all these models are essentially based on the existence of a mass less scalar field acting at a cosmic scale
除了真空場模型外，科學家亦提出其他解釋黑暗能量的理論，這些模型建基於不同的物理理論或假設，例如超對稱規范理論超重力增加一些小或大的空間維數量子力學在彎曲時空的影響等等，這些理論模型，返本溯源，其實背後都假設存在著一個特性類似於宇宙常數的無質量純量場。 -
The proportionality constant, h, is known as the hubble constant and quantifies how fast space is stretching ? not just around us but around any observer in the universe
其中的比例常數h ，就是所謂的哈伯常數，它可以把空間向外延伸的快慢予以量化，不只針對我們周遭，也適用於宇宙中所有觀測者的周圍。 -
For geodesic triangle in 2 - dimensional constant curvature space, the author improves some geometric inequalities on its interior angle by theory of majorization
摘要對於二維常高斯曲率空間上的測地三角形，研究了其內角的優超關系，並運用優超理論得到了若干新的關于其三內角的幾何不等式。 -
The single space is removed to produce a valid constant name, and an
移除了單個空格以生成有效的常數名稱，並將 -
While two ( or more ) electromagnetic waves of the same frequency, same direction of vibration, same phase or constant phase difference superpose in space, the amplitude of composite wave is vector sum of the amplitude of each wave
由兩個（或兩個以上）頻率、振動方向相同、相位相同或相位差恆定的電磁波在空間疊加時，合成波振幅為各個波的振幅的矢量和。 -
We present a charge - transport model of the photorefractive effect with two deep traps ( two deep - trap model ) based on one deep - trap model and shallow - deep - trap model. we also found dark decay behaviors which accord with the two deep - trap model in the two - beam interference experiments. the fast decay - time constant of the space - charge field is obtained as 714s
此外，在ce ： batio _ 3雙光束干涉光折變光柵的暗衰減實驗中，也觀察到了符合雙deep模型的衰減現象，得到光折變空間電場快衰減時間常數714s ，約12分鐘。 -
The cosmological constant is a mathematical representation of the energy of empty space, also known as " dark energy ", which exerts a kind of anti - gravity force pushing galaxies apart at an accelerating rate
宇宙常數是空虛空間能量的數學描述，一般稱為黑暗能量，這種反引力促使星系彼此加速遠離。 -
From investigating geometric property of space to compute geometric constant is a further progress from " qualitative " to " quantitative "
空間幾何常數是空間幾何性質的量化，從幾何性質的研究到幾何常數的計算是從定性到定量的推進。 1991年， j gao和k -
System. xml. serialization. xmlenumattribute " irish cream " irishcream, the single space is removed to produce a valid constant name, and an
將移除其中的單個空格以生成有效的常數名，並將 -
Phased - array radiation lobe is superposed by isometric array element with constant amplitude. using the concept of real and imaginary space, the scanning lobe is researched
通過「實虛空間」的概念，分析了掃描中的陣列波瓣，總結給出相控陣天線的方向性系數。 -
It has such feathers as multi - resolution, constant relative bandwidth, and the ability to indicate the local features of signal in time and space. after wavelet transform by using proper wavelet basis functions, the epileptic waves can be separated at different scale, then we can detect the epileptic waves by using the wavelet transform result at the proper threshold value
本文選取適當的小波函數，將信號進行連續小波變換，把腦電信號中的癲癇特徵波在不同的尺度下分離出來，然後選取特定尺度下的變換結果，通過閾值判定方法對棘波進行檢測。 -
The rhythmic space in these works is interpreted as a constant opening, a continual flowering of elements in perpetual transformation. it is as if chan were pausing on the threshold of recognising the shape as an icon
東西兩種美學傳統激蕩出陳國強的作品，而他亦能將東西藝術特質熔於一爐，發展出其個人的精彩語匯。 -
A kind of list - traverse algorithm is put forward in this paper, which uses the space of list elements to record traverse information and limits the space spending of traverse process to constant amount
摘要提出了一種遍歷列表數據結構的演算法，通過利用列表節點元素自身空間來記錄遍歷信息，把遍歷過程中需要的空間開銷限制在常量范圍之內。 -
Rotation surfaces with constant mean curvature in 3 - dimensional minkowski space e
31中的常平均曲率旋轉曲面 -
If an electron with k state is initially in one miniband, elastic scattering will make the difference of the probability band occupation tend to zero. if electrons initially are located at a single wannier state, elastic scattering will make the difference of the probability band occupation tend to a constant which does not equal zero. the stable distribution in k space is just the same as the average distribution when no scattering
發現彈性散射會破壞電子間的關聯，使得初始處在某一微帶上的態電子在兩微帶上的佔有幾率趨於一致；初始電子處在實空間的單個瓦尼爾態上時，最後在彈性散射的影響下兩帶佔有幾率差不為零，並且在上的穩定分佈和沒有散射時的平均分佈相同。 -
A variable - speed dtc pmsm system is set up to verify the dtc theory in pmsm, that is to control the toque by controlling the torque angle of motor if the stator flux linkage keeps constant. this paper points out the function of the space voltage vector by which the torque angle can be changed according to the need of torque of the motor
主要作了以下開創性的工作：系統地闡述了永磁同步電機直接轉矩控制理論，發展了原有的控制理論，明確了空間電壓零矢量在控制系統中的重要作用? ?保持電機轉矩輸出，減小轉矩脈動，據此提出了包括零矢量的新型控制方法。 -
At the same time, the values " range of two kinds of nonsquare constants and their values in real inner product space are given. we also discuss the pointwise nonsquare constant in finite dimensional f space
同時給出了兩種點態非方常數的取值范圍，和實內積空間中兩種點態非方常數的值。討論了有限維l ~ p空間的點態非方常數。
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