查询词典 mathematical notation

Established the mathematical optimization model of the main parameters of the jaw crusher with a compound pendulum for the goat of the minimum stroke ratio, optimally design the jaw crusher with a compound pendulum .

建立起复摆鄂式破碎机工作机构主要参数的优化数学模型，以最小行程特性值为目标，采用复合形法对复摆鄂式破碎机进行了优化设

Independently from each other, compound interest was studied and probability theory emerged as a well understood mathematical discipline.

复利与概率理论也分别产生，前者被学者研究，而后者作为数学学科得到了较好的理解。1662年，伦敦布商约翰·格朗特带来了另一个重要的突破。

In the paper, a mathematical model of borehole gas transient flow in the process of gas drilling is set up and a numerical solution method is put forward on the basis of the unsteady flow theory of compressible fluid.

基于可压缩流体不稳定流动理论，文章建立了气体钻井过程中井内瞬态流动的数学模型并提出了模型的数值解法。

Computable general equilibrium model A mathematical model developed by the World Bank to model national economies.

可计算的总体平衡模型世界银行开发的一项模拟国民经济的数学模型。

The objective of the program is to provide students with the capability to apply mathematical models and methods to study various problems that arise in industry and business, with an emphasis on developing computable solutions that can be implemented.

该计划的目的是让学生有能力运用数学模型和方法，研究各种问题，出现的行业和业务，对发展中国家是可以实现可计算的解决方案的重视。

It can describe the interaction between the arc and the gas flow adequately and may avoid the disadvantage of former mathematical models which used cold flow field as initiative computative condition.

它能充分反映气流场和电弧的相互作用，克服了以往的电弧数学模型以冷气流作为初始计算条件的不足。

The computerised test assesses verbal and mathematical dexterity and runs for 210 minutes (220 minutes with breaks).

这项计算机化考试测试的是考生的语文和数学能力，考试时间210分钟（加上休息时间总计220分钟）。

From the calendar reform of view, Xing Yunlu's work on the underlying mathematical principles of Shoushi Computus didn't go beyond the pattern of Chinese traditional calendrical astronomy, and he couldn't improve the precision of the Shoushi Computus.

从历法改革的角度来看，邢云路在立法原理方面的尝试并没有突破《授时历》的范式，对于历法推算精度的提高也没有产生实质性的影响，这为我们分析明末传统历法改革失败的原因提供了一个新的视角。

Xing Yunlu's GJLLK turns out to be the earliest work available now that incorporates in all mathematical rules underlying the computational algorithms of the shoushi Computus, which were thought to be the esoteric elements of the Shoushi Computus long lost in the Ming Dynasty.

对邢云路在《授时历》立法原理问题方面的工作进行讨论，指出：在明代传统历法发展长期停滞和《授时历》立法原理传承几乎完全中断的情况下，邢云路对这方面的知识进行了恢复。

Before discussing Xing Yunlu's calendrical work, we reviewed the calendrical system of the Ming Dynasty and the status of the calendar crisis and the endeavor of reviving the traditional calendar made by the scholars Gu Yingxiang (1483-1565), Tang Shunzhi (1507-1560) and Zhou Shuxue (?1500-?1572) during the Emperor Jia Jing (1522-1566) in the Ming Dynasty. These scholars had paid attention to the underlying mathematical principles of Shoushi Computus, especially the method on arc and arrow in the geometry.

在讨论邢云路的改历活动之前，首先对明代的历法系统以及传统历法出现危机的状况以及明代嘉靖年间顾应祥(1483-1565)、唐顺之(1507-1560)、周述学(约1500-约1572)等复兴传统历法的努力进行讨论，指出：明代嘉靖年间学者的改历理念主要是注重讨论被钦天监历官忽视的《授时历》的立法原理问题，并对《授时历》弧矢术做了一些有益的探求工作。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。