查询词典 zero

This paper provides the analytic method to calculate the value of Green s functions in space domain at the zero distance by the discrete complex image theory,that is ,to express the finite progressional sum of Green.

对此，本文在讨论采用离散复镜象理论计算空间域Green函数时，提出了采用该镜象理论计算空间域Green函数零距离处奇异值的解析方法，即，采用Taylor公式展开镜象理论得到的空间域Green函数的有限级数和形式，并结合特定的分域基函数来得到零距离处Green函数奇异值的解析计算式进行计算。

In a piercing cold evening, the temperature fell to 30 degrees below zero. The crewmen in orange coloured uniform, like a winding firedrake which reddened the white Ordos plateau, marched in a vast expanse of whiteness through the snowy land towards the logging site.

那天晚上，气温降到零下30多度，身着桔红色工装的测井队员行进在白茫茫的天地间，尤如一条蜿蜒前行的火龙，映红了洁白的鄂尔多斯高原。

The quasi-analytical expressions of the relative concentrations at the mobile region and the immobile region are deduced respectively by using hypergeometric equation, hypergeometric function and the method of Laplace transform under the initial concentration zero and the first or second boundary condition of a semi-infinite one-dimensional space.

并分别在初始浓度为零，半无限一维空间内第一类边界条件和第二类边界条件下，利用超几何方程、超几何函数和Laplace变换法推导出了可动区和不动区溶质相对浓度的准解析表达式。

For the first time, in [3] the authors discussed the inequalities of B-B and by using them the authors give a proof of the existence and uniqueness of the generalized solution for magnetostatic field problem with zero boundary value. By using the inequalities of B--H in, in[-5,6] the authors give a proof of the existence and uniqueness of the generalized solutions for 3-D magnetostatic field Neumann problem and 2-D magnetic field first boundary value initial problem.

前人已讨论了B—H间的几个基本不式，并由之证明了三维静磁场带零边值问题广义解的存在与唯一性，作者也曾利用给出的B—H间的不式证明了三维静磁场Neumann问题和二维时变场第一边值初值问题广义解的存在与唯一性。

By using the method for positive term resolution of equations of higher degree, all non-zero real roots of a real coefficient equation of higher degreewere obtained by determiningthe abscissas of intersection points of two monotonically increasing concave functions in the first quadrant of a planar rectangular coordinate system.

用高次方程正项分解方法，将求解实系数高次方程非零实数根的问题，转化成求解两单调上升凹函数在平面直角系第一象限内交点横坐标的等价问题；给出了基于共享存储多指令流多数据流并行计算模型求解任意实系数高次方程全部实数根的大范围收敛性异步并行迭代算法，并分析了算法计算的复杂程度。

The economy showed zero growth in the first quarter of this year.

经济在今年的第一季度中显示出零增长。

Our main products include: Carbon Film Fixed Resistors, Metal Film Fixed Resistors, metal oxide film fixed resistor, winding fixed resistors, winding without a sense of fixed resistors, wound Fuse Fixed Resistors, fuse resistors, glass glaze film fixed resistors, cement resistors, metal-free sense resistor, the temperature fuse resistors Cement, power-ceramic tube resistor, aluminum shell wound resistor and jumper, zero ohm resistor, chip resistors, with resistors, positive temperature coefficient resistor, negative temperature coefficient thermistor and so on.

公司主要产品包括：碳膜固定电阻器、金属膜固定电阻器、金属氧化膜固定电阻器、绕线固定电阻器、绕线无感固定电阻器、绕线熔断固定电阻器、熔断电阻器、玻璃釉膜固定电阻器、水泥电阻器、金属片式无感电阻器、温度保险丝水泥电阻器、功率瓷管式电阻器、铝外壳绕线电阻器以及跳线、零欧姆电阻（ZO、晶片电阻器、排列电阻器、正温度系数热敏电阻器、负温度系数热敏电阻器等。

His explaination to the fixedness was that the time should be in zero point for beside the nation police we have to take the market demand and storage into consideration.

对于调价的问题，他强调："时间应该在零点，我们会根据国家政策调价，也会考虑市场需求和企业生产及库存情况，幅度应该与其他城市差不多，但在本市不同地区调整的幅度也会有差别。"

A power ultrasonic supply ,which can realize zero phase difference frequency tracing and fixedness of output power,is presented in this paper.

本文介绍了一种具有无相差频率自动跟踪和输出功率恒定功能的功率超声电源，此电源采用集成锁相环来实现无相差自动频率跟踪，采用 PWM方式控制 BUCK电路的斩波，达到恒功率及功率可调的目的。

Zero position adjustment inappropriate, or nozzle flapper gap is too small.

零点位置调节不合适，执行器与附件即喷嘴挡板间隙太小。

Chinese traditional virtue is humility and wariness,the compliment and praise to the others should be declination

中国人的传统美德是谦虚谨慎，对别人的恭维和夸奖应是推辞。如

We bought this house on the never-never.

我们以分期付款的方式买下这座房子。