双值的

If the significand of the internal representation of r has more precision than the IEEE double-precision format, it will be rounded using the round to nearest rule.

如果内部表示法 r 的有效位数比 IEEE 双精确格式有更多的精确度，它将会被以四舍五入到最近值规则来四舍五入。

In the first chapter,the Riemann-Hilbert boundary value problem of non-normal type for biregularfunctions and some boundary value problems of the inhomogeneous secondorder equation

共有三章，在第一章中主要运用文[2]中的理论与方法讨论了平面上双解析函数的非正则型Riemann-Hilbert边值问题及非齐次二阶方程

The approximations can be used as the initial guess and pre-conditioner in the stabilized biconjugate-gradient fast Fourier transform algorithm for computing integral equations, and hence a hybrid DTA-BCGS algorithm with higher efficiency is formed.

这两种近似可以作为计算积分方程稳定型双共轭梯度快速Fourier变换算法的初始猜测值和预条件因子，从而形成效率更高的混合DTA-BCGS算法。

Under ordinary pressure, the experiment of simple distillation and fractional distillation is studied.

通过常压下简单蒸馏与分馏的实验研究，阐明双组分体系中温度平台与组分含量、沸点差值之间的关系。

Hilbert boundary value problems of non-normal type for bianalytic functions are investigated.

研究双解析函数的非正则型Hilbert边值问题，给出该问题的可解性定理。

In this chapter, we introduce the theory of the radial basis function and the hyperbolic partial differential equation. In addition to this, we summarize in detail the knowledge of the konwn four kinds of multiquadric quasi-interpolation.

介绍了一些有关径向基函数和双曲型偏微分方程的理论，对已有的四种Multiquadric拟插值做出了详细的概括。

The results show that the depletion layer grows in the form of hyperbolic tangent function of time, the electric field strength at the interface increases with bonding time to its maximum and the field strength in the bulk glass decreases, and that the fulfillment of the anodic bonding is determined by the completion of intimate contact rather than the charge transfer.

结果表明：碱金属离子耗尽层厚度以连接时间的双曲正切函数形式增长；界面电场强度随连接时间单调上升，而耗尽层外的玻璃内电场强度单调下降；电场辅助阳极连接是否完成决定于待连接表面间是否形成紧密接触，而非电荷迁移量是否达到某一恒定值。

The key problem of the reaction chromatography is the initial-boundary value problem for hyperbolic conservation laws systems.

反应色谱的核心问题是双曲守恒律的初边值问题。

The research of bianalytic functions, polyanalytic functions and inverse Riemann boundary value problems is an important question for discussion in recently years.

近年来有关双解析函数、多解析函数以及Riemann边值逆问题的理论研究也是人们关注的重要课题。

The influences of N,N'-methene biacrylamide cross-linker,monomer concentration,polymerization time and temperature on swelling ratio were investigated,and reversibility of the hydrogels under various pH conditions at given temperature.

目的通过合成聚丙烯酸-co-α-甲基丙烯酸水凝胶，研究N，N'-亚甲基双丙烯酰胺交联剂、丙烯酸和α-甲基丙烯酸单体浓度、聚合时间对其水凝胶溶胀率的影响，以及温度和不同pH值时水凝胶的pH可逆性。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。