| 1. | Zeta ursa majoris , which consists of two physically unrelated stars , mizar and alcor . they do not have much physical significance ,例子有下台二大熊座,这种双星没有任何物理上的重要性。 |
| 2. | To some extent , it has a clear physical significance due to taking into account of the two main parameters on the critical planes 由于该方法考虑了临界损伤平面上的两个控制疲劳损伤的主要参数,因而其本身具有一定的物理意义。 |
| 3. | It is shown that the state of the atom out of the field influences the dynamic properties of the atom in the field . we will discuss the physical significance of the phenomenon 从应用方面来说,综述了几种不同的制备纠缠态原子的方法,还对纠缠态在量子信息学中的重要应用作了初步的论述。 |
| 4. | The irreversible thermodynamics process is discussed under non - isothermal circumstances , and the physical significance of the external terms in the three - field coupled equations is also analyzed 探讨了非等温条件下,体系不可逆热力学过程,并对其三场耦合控制方程中附加项的物理意义进行了分析。 |
| 5. | The fine - structure constant is an important zero dimension constant in the atomic physics . this article introduces the origin of fine - structure constant , and discusses its physical significance , and theoretical calculation 摘要本文介绍原子物理学中重要的无量纲常数之一的精细结构常数的由来,讨论它的物理意义和理论计算。 |
| 6. | Moreover , in order to capture the linear properties in aerodynamic coefficients , additional linear terms are added to the model , which make the wavelet network model has some definite physical significance in use 另外,本文在小波网络模型中加入状态变量的线性项,以反映气动力系数中的线性特性,这对于实际应用是非常有意义的。 |
| 7. | Compared with lrc method , the llc method has virtues of briefness in calculating and definitude in physical significance . and the llc method also can unify the wind load equations for main structure design and shielding system design 相比lrc法, llc法具有计算简便、物理意义明确的特点,同时llc法还将用于结构整体设计和围护结构设计的风荷载计算公式进行统一。 |
| 8. | An integral property and its physical significance of difinite integral , double & triple integral , curve and curved surface integral of generalized odd and even functions are demonstrated , which are symmetrical about plane , line and point in the domain 论述了关于面、线、点对称的区域上的广义奇、偶函数的定积分、二重、三重积分、曲线、曲面积分的一个性质及其物理意义。 |
| 9. | And we obtain the wheeler - de witt equation based on the brans - dicke theory . a generalized model of cosmological birth is shown up , further give the solution of its wheeler - de witt equation , expatiate physical significance of the solution 同时得到了基于brans - dewitt理论的wheeler - dewitt方程,给出了一个推广的模型,并对其wheeler - dewitt方程进行了求解,同时给出其物理意义。 |
| 10. | Abstract : the physical significances of the reaching law parameters and the qualitative relationships among them in variable structure control ( vsc ) are analyzed . according to the relationships , a reaching law control method is put forward based on fuzzy rules . to improve control quality , the reaching law parameters are selected by fuzzy rules . the control scheme presented in this paper not only preserves the advantages of traditional reaching law control , that is , insensitivity to any variation and perturbation of the plant parameters , but also possesses the adaptation to control quality of variable structure control systems . the simulation results show the chattering in vsc systems is highly reduced 文摘:分析了变结构控制设计方法中趋近律参数的物理意义及参数之间的定性关系,根据这些参数的定性和不精确关系,提出了基于模糊规则的趋近律控制? ?模糊趋近律控制,即用模糊规则来选择趋近律的参数,以达到改善品质控制的目的.仿真结果表明,笔者给出的方法既保留了传统趋近律方法所具有的较强鲁棒性优点,又使控制系统的品质控制具有较强的自适应性,同时还比传统趋近律方法更有效地削弱变结构控制系统中固有的颤振 |