查询词典 variable
- 与 variable 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Forest ecological benefits index system can divided into two kind from the conception of forest ecological benefits measuration, such as dependent variable of region and stand, independent variable.
本文从森林生态效益计量角度出发,阐述了森林生态效益的定义,指出它与森林资源的相关为第二类相关,并将森林的生态效益的指标体系划分为自变量(区域自变量和林分自变量)和因变量两类。
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From the perspective of hotels and on the basis of previous studies, this thesis makes "relationship quality" as initial variable,"voluntary behavior of the distributors" as mesne variable, to study the "performance of the hotel" on the logic of relationship among them with the relationship marketing theory as the starting point.
本文从饭店的视角,针对以上饭店关注的问题,以关系营销理论为出发点,在前人研究的基础上,以&关系品质&作为初始变量,以&分销商自发行为&作为中间变量,来研究&饭店绩效&,探讨三者之间的逻辑关系。
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It was found that the efficiency after variable temperature phosphorus gettering was much better than that of isothermal one for cast multicrystalline silicon, especially in the high quality zone of as-grown materials, and the optimal parameter of variable temperature phosphoru.
用微波光电导衰减仪研究了不同温度和时间的恒温和变温磷吸杂处理对铸造多晶硅片电学性能的影响。
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In this dissertation, considering the influence of transverse shearing deflection and noncoincidence of torsion center and gravity center, the equilibrium formulas of variable-curvature box-girder with rectangular cross section were established. Based on deformation expression of arbitrary point on the girder and relationship between inner forces and displacement equations, considering noncoincidence of torsional center and gravity center, the governing differential equations for variable-curvature box-girders were generalized.
针对具有竖直对称轴的矩形断面变曲率箱梁,考虑了挠曲剪切应变和曲梁剪心和形心分离的影响,推导了变曲率箱梁的平衡方程;通过箱梁内任一点的位移方程和内力-位移关系,推导了考虑曲梁剪心和形心分离的变曲率箱梁的挠曲扭转控制微分方程。
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We apply nondegenerate four-wave mixing processes to the generation of stable continuous variable entangled light and study the time evolution of continuous variable entangled light.
利用非简并四波混频体系制备出稳定的连续变量的纠缠态,研究了纠缠随时间的演化情况。
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Study three, on the basis of study one, the study chooses the shame measure resulting mark highest and lowest value 27% student make up the proneness shame group and none proneness shame group. We use the individual character tendentiousness scale CPAI and self-respect scale to measure the personality trait of students, which in order to explore personality variable difference on shame nyctinasty intensity and personality variable influence on the forming and development of shame during the native culture in China.
研究三,在研究一的基础上,抽取羞耻感测量所得分数最高分和最低分各27%的学生组成易羞耻组和不易羞耻组被试,运用个性倾向性量表CPAI和自尊量表进行测验,探索羞耻感受性程度不同的被试在人格变量上的差异及在中国文化下人格变量对羞耻感形成与发展的影响。
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At the same time it is know by analysis about matrix characteristic of the similar orthogonally that not only the characteristic value after the transformation is equal to the ones before the transformation and they are independence to time variable of the system, but also the eigenvectors of the formed system can showed the effect of the time variable on original system.
同时,根据矩阵正交相似的性质分析得知:不仅变换前后两个矩阵的特征值完全相同并与时间变量无关,而且时间变量对此系统的影响可以只由变换后系统的特征向量来描述,给出了非典型阻尼振动系统物理意义上的解释。
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The invention comprises a high-voltage generator and a discharged electrode pair which are connected in series in turn, wherein the a capacitor is connected in series in a discharge major loop and the capacitor can be a fixed capacitor or a variable condenser or a padder capacitor and also can be a variable condenser which is controlled by a circuit.
本发明包括依次串联的高电压发生器,放电电极对,在放电主回路中串联有一个电容器;所述电容器可为固定电容器、可变电容器、微调电容器,还可以是受电路控制的可变电容器。
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To realize high positioning precision and rapic response, this paper provides a variable parameter filter technique to filt positioning noise and high frequency noise meanwhile keeping rapid speed response, this technique has lower filter stiffness and damp paremeter in static state and bigger stiffness and damp paremeter in movement state using variable parameter technique, accordingly to solve the contradictions of positioning noise and positioning speed.
为实现系统高精度定位和快速响应,本文提出了采用宏定位变参数滤波技术滤除宏定位系统高频噪声,同时保持系统高响应速度。
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The invention relates to a dynamic matrix control system of high-purity distillation, which comprises distillation tower, intelligent checker, DCS system, superior host, and on-site bus, while they are connected. The control system uses tower product group as the object variable, and the reflux ratio and reboil ratio as control variable; the superior receives history temperature and pressure data from the DCS real-time database, via the predict control and dynamic matrix controller, to obtain the output values of present controller as reflux ratio and reboil ratio, then feedback said two values to DCS system, to function the distillation object. The invention can confirm the high-purity stable operation, with better dynamical control.
本发明公开了一种高纯精馏的动态矩阵控制系统和方法;系统包括:精馏塔、智能检测仪表、DCS系统、上位机和现场总线;所述精馏塔、智能检测仪表、DCS系统和上位机通过现场总线依次相连,实现信息流的上传和下达;本发明所涉及的控制系统采用塔双端产品组分为被控变量,回流比和再沸比为对应的控制变量;上位机从DCS实时数据库中获得历史的温度、压力等数据,通过推断控制环节和动态矩阵控制器环节,得到当前控制器的输出值-回流比和再沸比,再把控制器输出值返回给DCS系统,实现了对高纯精馏过程的双端产品高纯控制,对双端组分的高纯度平稳操作,具有很好的动态品质和控制效果。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力