查询词典 Bessel functions

Methods: Heart rate variability was detected in 58 patients with normal renal functions, 61 patients with compensatory renal functions, 37 patients with decompensated renal functions, 33 patients with renal failure and 21 patients with uraemia and the patients all had essential hypertension.

选择210例原发性高血压患者进行24小时动态心电图监测，分析HRV各相指标：SDNN［所有窦性心率R-R间期的标准差］，SDANN（全程记录中每5分钟NN间期平均值的标准差），PNN50（全程记录中相邻NN间期差值＞50ms的个数）和RMSSD（相邻NN间期差值的均方根）。

This paper introduced the unloading valves for blocking in paver, application of screeding unitfloating functions, blocking functions and relief functions in road construction, the unloading capacity calculation methods.

介绍了摊铺机闭锁卸载阀，熨平装置浮动、闭锁、卸载功能在道路施工中的使用，以及卸载能力的计算方法。

This paper introduced the unloading valve s for blocking in paver, application of screeding unitfloating functions, blocking functions and relief functions in road construction, the unloading capacity calculation methods.

介绍了摊铺机闭锁卸载阀，熨平装置浮动、闭锁、卸载功能在道路施工中的使用，以及卸载能力的计算方法。

In order to allow main modules to declare functions for local use within the module without defining a new namespace, XQuery predefines the namespace prefix local to the namespace http://www.w3.org/2004/07/xquery-local-functions , and reserves this namespace for use in defining local functions.

为了允许主模块在不定义一个新的命名空间的情况下，为模块内本地使用声明函数，XQuery预定义了到命名空间 http：//www.w3.org/2004/07/xquery-local-functions的命名空间前缀local，并为定义本地函数使用保留这个命名空间。

It puts forward to system compartmentalization , significant functions and design of external interfaces of on-board equipment simulation subsystem by analyzing and research on system structure, functions interfaces of CTCS3 based on SRS of ETCS2. It realized software development of on-board equipment simulation subsystem and significant functions by using C++ Builder 6.0. It realized the function of computing most restrictive speed profiles and dynamic speed profiles, computing on-board odometers, ceiling speed supervision, MA speed supervision, speed comparison intervention, transmitting position report, computing end-point of MA, receiving data by balise etc.

本文通过对CTCS3级系统组成结构、功能、接口的分析和研究，在参照ETCS2级需求规范的基础上，总结出了CTCS3级仿真测试平台中车载仿真子系统的结构划分、主要功能设计、接口设计等，对仿真子系统的软件进行了总体设计，并利用C++ Builder 6.0开发平台实现了CTCS3级车载设备仿真子系统的软件开发，实现了车载设备的主要功能，包括：最严格速度曲线的计算、动态速度曲线的计算、车载里程的计算、顶棚速度监督、MA速度的监督、速度比较干预、发送列车位置报告、计算MA终点，接收应答器报文等功能。

All through the simplicity of their forms, colors richness, the diversity patterns, exchange and create the kind of lyrical, sexual summarized its aesthetic characteristics, and aesthetic functions of reflection, inspiration functional, educational functions and self-entertainment functions describes its aesthetic function.

本文通过对其形式的简易性、音色的丰富性、形态的多样性、交流的亲切性以及创造的抒情性等概括它的审美特征，并以审美的反射功能、激励功能、教育功能和自娱功能等描述了它的审美功能。

Each HGMU has similar ecological functions, and different HGMU has clear different ecological functions. Among these HGMUs, the double direction of freshwater\|flooding area, daily tide\|mud and sand flat area and monthly tide\|mudflat, as well as annual tide\|grass flat area had better ecological functions than other areas in the coastal wetlands of Yancheng.

结果表明：（1）盐城海滨湿地包括7类水文地貌单元，不同HGMU生态系统类型差异较大；（2）同种HGMU生态功能基本处于同一等级，不同HGMU的生态功能差异明显；（3）盐城海滨湿地不同HGMU单元生态功能由大到小排序为：淡水双向\|冲积区、海水天双向\|泥粉砂带、海水月双向\|泥滩带、海水年双向\|草滩带、淡水单向\|冲积区、淡水单向\|海积区和淡水单向\|冲积海积区。

The fundamental and higher-order harmonic ultrasound fields of a zeroth-order Bessel ultrasound field and focused Gaussian field in absorbing medium are computed and simulated by solving the KZK equation using a frequency domain finite difference method.

通过频域有限差分方法求解KZK方程，对吸收媒质中的零阶Bessel超声场、Gauss聚焦超声场进行计算，得到基波和高次谐波声场的数值解和仿真图，计算仿真结果验证了上述的理论结论。

Such as means to produce Laguerre-Gaussian modes, high order Bessel modes and complex astigmatic elliptical beams.

分别介绍了如何产生拉盖尔－高斯光束，高阶贝赛尔光束，以及复杂像散椭圆光束。

Propagation properties of high-order Bessel-Gaussian beam through a misaligned first-order ABCD system have been studied by using the generalized Huygens-Fresnel diffraction integral and augmented matrix .

使用广义惠更斯-菲涅耳衍射积分和增广矩阵，研究了Bessel-Gaussian光束通过失调一阶ABCD系统的传输特性。

Metrorrhagia is also gynaecological problems of common diseases.

崩漏是妇科常见病也是疑难症。

WordFTP gives you the convenience and timesaving you need.

wordftp让您的方便和省时您所需要的。