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- Optimal Order Model under Periodic Order Policy of Centralized Procurement in Enterprise Group 定期订货策略下企业集团集中采购的最优订货模型
- We have two periods of music a week. 我们每周上两节音乐课。
- Then the high order model was reduced by the modal aggregation method. 采用模态集结法对其高阶模型进行降阶。
- Over a single period or two periods, defined when statistical data is viewed. 在统计数据被查询的时候可以指定一个期间,或两个期间进行对比。
- The object identifier may not contain two periods in a row. 对象标识在一行里不能包含两个句点。
- The estimation of the parameters can be easily done through EM algorithm and the order model is also easily selected by BIC criterion. 给出了该模型参数估计的EM算法，并利用BIC准则对模型进行定阶。
- According to the big different pressure of electrolysis anode compartment of two period, the net connection plan were implemented before chlorine gas compressor. 针对两期电解阳极室操作压力差别极大的问题,实施了氯气压缩机前氯气并网设想。
- The first method is that the predictive PI(D) controller is designed by a low order model reduced directly from the process model. 一种方法是直接将高阶滞后对象在频率域内降阶为低阶滞后对象，针对低阶滞后对象设计预测PI(D)控制器；
- Western welfare economics is the academic base that establishs social security system, its development experienced old welfare economics and new welfare economics two period. 西方福利经济学是建立社会保障制度的理论基础 ,它的发展经历了旧福利经济学和新福利经济学两个时期。
- It was recently suggested that the typical characteristics of the psudogap of high-Tc cuprates can be explained by the DDW order model. 近年来,有人提出用DDW模型来解释铜氧化合物高温超导体在赝能隙区域的实验结果。
- The paper analyzes social order ideology of Habermas and Durkheim, who respectively lived in above two periods, and contrasts their ideas about social disorder and reconstruction. 文章对分别生活在这两大转型时期的迪尔凯姆和哈贝马斯关于社会秩序的思想进行了分析，比较了两人在社会失序与重建方面的观点。
- The ASE system for a wing model is applied to reveal the mechanism of the method by comparing the full model with the reduced order model. 以机翼气动伺服弹性系统为对象，比较了降阶前后模型变化情况。
- The Paper demonstrated the excellence of EDI commerce in the sense of theory as well as instance: it can exactely forecast the next period order form for cutting down storage and expence. 从理论上论证了EDI交易的优越性：可以更准确地预测下个周期产生定单的概率，从而使最优库存水平下降，总消耗费用减少，并举例说明定量结果。
- There is a two-minute interval between two periods for changing ends. 每两节之间有两分钟的间歇供队员交换场地。
- There are also two periodicals,The Palace Museum and The Forbidden City. 定期刊物有《故宫博物院院刊》、《紫禁城》两种。
- There are also two periodicals, The Palace Museum and The Forbidden City. 定期刊物有《故宫博物院院刊》、《紫禁城》两种。
- Central Bank's history of issuing banknote may be divided into two periods. 中央银行发行钞票的历史可以分为两个时期。
- An interlude between two periods:when time marches on,and when time runs out. 时间大踏步前进和所剩时间不多这两个阶段之间的间隙。
- These form the basis of engineering usage of the 3rd order model,and the transient and asynchronous performances of turbogenerator can be predicted and calculated mor e accurately. 为三阶模型的工程应用和更精确地预计和计算汽轮发电机的瞬态和异步运行等动态问题打下基础。
- The results show that the wear behavior of the alumina matrix ceramic has only two periods, the grinding-in period and the stabilization wear period. 结果表明:氧化铝基陶瓷材料的磨损曲线仅有跑合和稳定磨损两个阶段,磨损机理主要是脆性剥落以及磨粒磨损;
