查询词典 quasi-permanent

In this paper, a new class of memoryless non-quasi-Newton method for solving unconstrained optimization problems is proposed, and the global convergence of this method with inexact line search is proved.

本文导出了一类无记忆非拟 Newton 公式，并证明了采用非精确线搜索的无记忆非拟 Newton算法的全局收敛性。

Especially the memoryless non-quasi-Newton method requires little storage and computation, so it is able to efficiently solve large scale optimization problems.

特别是无记忆非拟 Newton 算法，所需存储量及计算量较小，更适合求解大规模无约束优化问题。

Main contents and conclusions obtained in this paper are as follows:The method for the calculation of metacentric height fluctuation is derived for ship sailing in longitudinal and oblique seas, considering the impact of wave profile and assuming quasi-static equilibrium of heave and pitch motions.

本文旨在研究纵浪和斜浪中航行船舶的参激横摇运动问题以及系泊油轮在纵浪中的动力特性和系缆张力的变化特性。

The effects of main test parameters on the process of pitting potential of carbon steels have been studied by quasi-steady-state polarization technique and metallographical analysis technique.

采用准稳态的极化试验研究了各主要试验参数对碳钢在3%NaCl溶液中点蚀电位的影响，结果表明：3种碳钢钝化的临界pH值约为8 0 ；当T =2 0℃～35℃时，点蚀电位值Eb10 0 随温度的降低而变正；当电位变化速度慢于30mV/ 30s时，Eb10 0 随电位变化速度的减小而变负；试验面的粗糙度越大，点蚀电位越

Moctezuma and the Mexica were predestined to defeat, not least because they behaved according to their own code in which warfare was a quasi-religious ritual.

蒙特苏马和墨西卡帝国是注定要失败的，尤其是他们以自己的方式来把战争看成了一场准宗教仪式。

Using quasi-implicit calculation method, a new dual-parameters mixed-phase microphysical scheme with 5 species of water substance is developed.

本文利用准隐式格式，建立一套比较完善全面的混合相双参数微物理雪晶方案，改进了MM5原显式方案中存在缺陷的几个微物理过程。

I call it syndromitis -- the invention of quasi-medical categories to suit almost any deviation from what is perceived as the norm: the ideal state of middle per forming, middlingly happy Americans in their 30's.

我称之为综合症状，准医学类发明适合任何偏离常态：理想的状态中，美国人在其30岁最快乐。

For naturally cooled monobloc barrel, its thermal condition in regular regime can be evaluated by measuring the outside temperature of two arbitrary rounds;(2) During a sustained firing process, unsteady heat conduction exists in a monobloc barrel, whereas unsteady and quasi steady heat conduction exist with actively cooled composite barrels, meaning that the thermal condition changes from uncontrolled to controlled;(3) Different combinations of the convective heat transfer coefficient h and thickness of gun barrel δ have much effects on cooling the bore temperature.

利用有限元软件分析了某大口径火炮身管的温度场分布，并对自然散热条件下的单筒身管和主动冷却条件下的复合身管温度场进行了比较，其结果为(1)身管温度场分布存在初始和正规工况阶段，后者的单筒身管热状态可以通过测定任意两发身管外表面温度来评估；(2)持续射击过程中，单筒身管始终处于非稳态导热过程，主动冷却身管则包括非稳态和准稳态两个过程，实现了身管热状态由不可控向可控转变；(3)对流传热系数h和身管壁厚δ的组合对降低内膛温度具有很大影响。

Quasi-prefix/word family/word formation/connotation 知识词典 An Exploration of a Contemporary Neological word Family of "零+X" Zhang YishengThis paper analyzes and explains a contemporary word family with the pattern of "零+X"from the perspectives of construction/collocation,expression/comprehension,and development/change.

知识词典语言文字应用京96～103H1语言文字学张谊生20032003本文从结构和搭配、表达和理解、发展和变化等角度对当代新词&零X&词族加以分析与阐释。

This thesis focuses the research on the theory and application of the electro-optic effect in the quasi-phase-matching nonlinear optics based on periodically poled lithium niobate.

本文旨在对电光效应基于周期性极化铌酸锂的准位相匹配非线性光学中的理论及其应用进行研究。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。