效率

We discuss asymptotically best linear unbiased estimators of the Logistic population based on selected order statistics and give the formula of computing the ABLUE, the variance and the covariance of the ABLUE in limit, and properties of the ABLUE, and so on. We give the optimum chosen of spacing which is the ABLUE with maximum asymptotic relative efficiency based on complete sample when selected order statistics number is less than 10, and obtain its maximum asymptotic relative efficiency.

讨论基于Logistic总体Ⅱ型截尾样本的若干个样本分位数的总体分布参数的近似最佳线性无偏估计；给出了该近似最佳线性无偏估计的计算公式，估计方差与协方差的极限表达式及估计量的大样本性质等；给出了全样本，样本分位点个数固定，但不超过10情形下，使上述近似最佳线性无偏估计有最大相对联合估计效率时，样本分位数选取法及最大相对联合估计效率；为大样本情形下，该近似最佳线性无偏估计的应用提供了理论依据。

Atmosphere pressure almost has no effect on gas turbine efficiency and system net efficiency when atmosphere temperature is fixed.

在大气温度不变的条件下，大气压力对燃气轮机效率和系统净效率基本没有影响。

The ramming waste material automated feed way is one compatibility strong, the efficiency high, secure is reliable, the flexible combined type waste material conveyor, matches by the chain beat conveyer, carries on the centralism collection to each production line waste material, or matches by the electromagnetism feeding computer, the waste box carries on the single punch press waste material collection, thus may further enhance the ramming production the automatist, implements ramming operation area nobody to melt, enormously enhances the production efficiency.

冲压废料自动输送装置是一种适应性强，效率高，安全可靠，灵活多变的组合式废料输送设备，配以链板式输送机，对每一条生产线的废料进行集中收集，或配以电磁送料机，废料箱进行单台冲床废料收集，从而可进一步提高冲压生产的自动化程度，实现冲压作业区的无人化，极大地提高生产效率。

Pay more attention to backroom operational performance and ease of development than to front-room query performance and ease of use.

更关注后台的效率、易于开发，而不是前台的查询效率和易于使用。

The dissertation puts forward the base circle's pressure angle method to calculate the instantaneous meshing efficiency of SCM, analyzes the factors affecting instantaneous meshing efficiency and further improves the design theory of SCM.

在对空间凸轮机构进行受力分析的基础上，提出了计算空间凸轮机构瞬时啮合效率的基圆压力角法，分析了影响瞬时啮合效率的因素，进一步完善了空间凸轮机构的设计理论。

First, basing on point halving, this thesis proposed a new efficient algorithm of computing kP lQ on an elliptic curve over the finite field with characteristic 2 and analyzed the computational efficiency. When the ratio I/M of inversion to multiplication cost is small, this new algorithm is about 5%～30% faster than the traditional algorithms.

首先，基于半点运算给出一种计算特征为2的有限域上椭圆曲线双标量乘法kP lQ的新算法并分析了效率，当基域上求乘法与求逆的运算时间的比值比较小时，新算法的效率比已有算法提高5％～30％。

One of the basic concerns of Bill of Materials is how to satisfy the conflict requirements between the system maintenance and its running efficiency.

物料清单的结构和分解算法的基本问题是在保证系统的维护性基础上，如何解决物料清单操作所带来的系统效率问题，这对于ERP系统的实施与运行的效率有着直接的影响。

We propose and demonstrate a new method to implement parallel matrix-vector multiplication with every element encoded in binary in aphotorefractive crystal.

追求衍射效率极大是我们的主要研究方向，这一研究结论对我们在存储与固定中如何获得极大衍射效率的全息图具有重要的指导意义。3光折变全息实现矩阵-矢量乘法

The procedures used to calculate the binomial coefficients, which uses dynamic programming methods, the efficiency is far...

该程序用于计算二项式系数，它采用动态规划的方法，其效率远远高于递归的方法，而且空间效率也很高。

Fully regarded the piezoelectric effect, the electrooptic effect caused by the applied electric field and based on the equation of diffraction efficiency and Bragg condition, the of between the applied electric field, the writing beam ratio with respect to the writing angles are analyzed.

全面考虑了电场作用下晶体的压电和电光效应，基于衍射效率公式和光栅的布拉格条件，给出了为获得最佳衍射效率比时外加电场及写入光束比与记录角度间的关系曲线。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。