This paper probes into the features and patterns of XML query language, analyzes on two kinds of query languages for XML-based semistructured data& XQL and XML-QL, and advances some suggestions on expanding current XML query language.

Some languages are based on the nature of XML data, such as XQL and XML-QL.

有的语言则是根据XML数据的特点而单独提出的，如XQL和XML-QL。

The present situation of various safety device in incline haulage and the technical characteristic of series of XRC 1, XRC 2 manrider in incline are introduced.

介绍斜井运输所用各种安全装置的技术现状及XRC1、XRC2型系列斜井人车的技术特点。

Residual stress analysis has been investigated for Ni-base thermal sprayed coatings with laser melting and consolidation ( LMC) processing by means of X-ray diffraction ( XRC) method.

本文用X射线衍射法研究了45号钢基体上镍基热喷涂层经激光熔凝处理后的残余应力。

This scheme selected XRC/ GDPS as recovery technology, the technical realizes zero data loss function and automatic recovery, it is the highest level solutions of disaster recovery.

此方案选择的备份恢复技术是GDPS/XRC技术，此技术实现了数据零丢失并且系统自动恢复功能，是容灾备份解决方案中的最高层次解决方案。

The Safety Haulage and Series of XRC Manrider in Incline

斜井安全运输及XRC系列斜井人车

A sign reading China Immigration Inspection is displayed on the ground in the Mainland Port Area at West Kowloon Station, which houses the terminal for the Guangzhou-Shenzhen-Hong Kong Express Rail Link ( XRL) in Hong Kong, Saturday, Sept. 22, 2018.

2018年9月22日星期六，在香港广深港快线（XRL）终点站西九龙站，大陆港区的地面上显示着“边境候检区域”的标识，西九龙站为广深港高铁的香港终点站。

In order to test X-ray laser ( XRL) series programs, simulations of some experiments of Ne-like Ge XRL were completed, including domestic experiments driven with long-pulse ( 1ns) and international experiments driven with multiple-pulse.

介绍了用国内1ns长脉冲和国外多脉冲驱动的类氖锗的实验数据检验X光激光的理论模拟程序系列的工作。

X ray lithography ( XRL) is a very important batch exposure technology in micro/ nanometer lithography. The development of XRL requires new X ray source, new type of stepper, new X ray masks and advanced related processing technology.

X－ray光刻（XRL）是微／纳米光刻技术中至关重要的批量复制技术，XRL的发展在于不断对X－ray源、新型的stepper、X线掩模版以及相关处理工艺的研究进展。

Lithography technique has been the key point to push forward the USL fabricator. X-ray lithography ( XRL) is one of the next generation lithography techniques ( NGL), which has the probability of industrialization.

光刻技术是推动集成电路制造业不断向前发展的关键技术，X射线光刻技术是下一代光刻技术的一种，具有产业化的应用前景。

Taking the XRL aluminium bushing complex rubber roller as one example, the paper touches on the compressive stress and stretch stress of rubber and aluminium tubes running in pressure by application of static and dynamic stress and the strain theory.

本文以XRL型铝衬套复合胶辊为例，运用静态和动态应力、应变理论，分析了运转过程中胶管、铝管承受加压后所产生之压缩应力及拉伸应力情况；

Theoretical simulation shows that, using 1% pre-pulse, if appropriate optimization of time interval between pre-and main pulse has been conducted, the output energy of XRL as well as conversion efficiency of energy can be dramatically enhanced.

理论模拟还表明，采用1%左右的预脉冲强度并对预主脉冲时间间隔进行优化，X光激光的输出能量和能量转换效率将获得大幅度提高。

The X ray mask give an important effect on the resolution of XRL and it's efficiency and expenses.

其中，X线掩模版不仅直接关系到XRL的分辨率水平，也极大地影响其使用效率及其费用。

On the condition that exchange is installed, to adopt XRN can increase reliability and the capacity of network core, without bearing the burden of complex network management.

在已经安装交换机的条件下，采用XRN可增加网络核心的容量和可靠性，无需复杂的网络管理负担。

The features of XRN are introduced in this paper and a high availability trunk network model based on XRN is designed and implemented.

本文介绍XRN技术特点，设计和实现了一种基于XRN的高可用性主干网模型。

RESULTS: The improvement of the clinical symptoms and signs in XRN group was better than that in the control groups ( P0.05).

结果：小儿热感宁口服液对小儿急性上呼吸道感染临床症状和体征的改善作用明显优于对照组（P005）。

Design and Implementation of the High Availability Campus Network Trunk Based on XRN

基于XRN的高可用性校园网主干的设计与实现

The XRS result shows that the crystal of PET fiber during the spinning process if formed by four steps, and there is a phenomenon of structure reconstruction ( both in crystal region and in amorphous region).

XRS结果指出，涤纶在纺丝与后处理过程中结晶分4步进行，且存在着结构重整现象，按两相模型考虑，晶区、非晶区均有重组。

A review with 114 references was provided on the application and development of X ray spectrometry ( XRS) in geoanalysis in China.

评述了我国地质分析中X射线光谱技术的应用与发展。

In two of the three patients with xRT-induced early side effects ( cystitis, diarrhea), the MN yield in PBL induced by ex vivo irradiation before xRT was significantly higher than in the other patients without xRT-induced side effects.

3例因xRT引起的早期副反应患者中，2例的PBL微核率明显高于无xRT引起副反应者。

The 3-year overall survival rate and disease-free survival rate in XRT group and RT group were 33.3%, 19.1% and 21.4%, 16.6%, respectively. The median survival time was 19 months and 14 months respectively.

XRT组与RT组的3年总生存率分别为33.3%和19.1%，无肿瘤进展生存率分别为21.4%和16.6%，两组的中位生存期分别为19和14个月。