| 1. | A data medium on which preliminary items of data are present , the remaining items of data being entered during subsequent operations
一种数据媒体,其上有一些预先给定的数据项,在以后的操作中再把余下的数据项输入。 |
| 2. | This proposed method can extract the hiding laws from monitoring data , and it does not demand mathematical model and corresponding parameters
该方法能提取隐藏在数据中的潜在信息，而不需要预先给定数学模型和相关参数，有利于保证分析的客观性。 |
| 3. | When the family of distributions satisfy some conditions , the confidence intervals of prescribed width and prescribed coverage probability could be obtained by two - stage procedures
当分布族满足一定条件时，用两步抽样即可获得具有预先给定长度与覆盖概率的置信区间。 |
| 4. | Taking the evaluation criterion of lake nutrient states as sample pattern , the network was trained in the light of learning rule of error back propagation network
将湖泊营养状态评价标准作为样本模式提供给网络，按照误差逆传播网络的学习规则对网络进行训练，经过39925次学习后，网络达到预先给定的收敛标准。 |
| 5. | The macroeconomic systems can keep the stability and is exact traced and obtained the guideline which have been given by using the policy of finance and currency in reason
对于宏观经济系统可以合理地运用财政和货币这两大经济杠杆，从而能够保持宏观经济系统的稳定性并且可以准确跟踪并达到预先给定的各项经济指标。 |
| 6. | We can keep the stability of the macroeconomic system and obtain the guideline by using the policy of finance and currency properly . for time - delay system with uncertainty we can keep dual - stability by solving two riccati equations ,
对于宏观经济系统通过合理地运用财政和货币这两大经济杠杆，能够保持宏观经济系统的稳定性并且可以准确跟踪并达到预先给定的各项经济指标。 |
| 7. | This paper bring out design method of inverse eigenvalue problem , which adapts to general structures with linear parameters , namely coefficients of all or partial elastic component and inertial component are treated as design parameters , for given some order natural frequency and corresponding vibrating mode , all of useable designing parameters will be got through solving a linear system of equations , thereby stiffness matrix and mass matrix of actual structure are constructed . this paper also discusses existence condition and unique of results
提出了适用于具有线性参数的一般结构的逆特征值问题的设计方法，即以系统的全部或部分的弹性元件与惯性元件的系数为设计参数，对于预先给定的若干阶固有频率及相应振型，通过求解一线性方程组即可确定全部实际可行的设计变量，从而构造出实际结构的刚度矩阵和质量矩阵，并论证了解的存在性与唯一性。 |
| 8. | According to the number of processors , scheduling problem can be grouped as single - machine scheduling problem and multi - machine scheduling problem . according to whether the job ' s processing time , released time and the surroundings of the processors are deterministic or stochastic , scheduling problem can be grouped as deterministic scheduling problem and stochastic scheduling problem . according to whether the parameters of the jobs are given before - hand , scheduling problem can be grouped as static scheduling problem and dynamic scheduling problem
按处理机个数将排序问题分为：单机排序问题和多处理机排序问题；根据任务加工时间和到达时间以及处理机的工作环境等数据是确定的或服从某种随机分布可分为：确定性排序问题和随机排序问题；根据所有任务的参数是否是预先给定的可分为：静态排序问题和动态排序问题。 |
| 9. | Abstract : fatigue cracks in ship hull structures are most likely to occur in the highly stressed structural details . the conventional fatigue analysis is largely dependent on the determination of stress concentration factors ( scfs ) at the locations considered . this paper is concerned with the stress concentration of cutout in transverse web for longitudinal stiffener . a series of finite element models is carried out for the stress analysis of predefined structural details . the tabulated scfs of typical cutouts ( abs tanker rules ) in transverse web for longitudinal stiffeners are presented based on the finite element analysis ( fea ) results
文摘:疲劳裂纹往往发生在船舶结构的局部高应力区,而疲劳分析结果通常取决于任何准确确定结构的应力集中系数.本文研究为铺设纵骨而在舱壁板上开孔的应力集中,采用有限元方法对预先给定的结构进行应力分析,基于有限元计算结果给出了舱壁板典型开孔(参见abs油船规范)的应力集中系数表 |
| 10. | This method which both considered influence of uncertainty factors among structure parameters and satisfied prescribed main cable reliability level was used to get inverse main cable safety factors through target reliability indexes , main cable safety factors of suspension bridges with main span ranging from 2000 m to 5000 m were estimated using the proposed method
该方法通过给定结构的目标可靠度指标反求主缆安全系数，计算出的主缆安全系数既考虑了结构参数中不确定因素的影响，又满足了预先给定的主缆可靠度水平。 |
