since db2 9. 5 you can add the optional clause reject invalid values to your xml index definition.

use of this optional clause is required only when the compatibility level is 65 or lower.

仅当兼容级别等于或低于65时，才需要使用此可选子句。

optional clause to be used only where appropriate.

只有在适当的情况下才使用选择条款。

from is an optional clause that provides the uri of the dataset to use.

作为前缀。FROM是一个可选的子句，它提供了将要使用的数据集的URI。

simulation of fluid flow in intake of waterjet propulsion

喷水推进器进水管内流场模拟

impact of the shape of the hull back of amphibious vehicle on the inlet flow field of waterjet propulsion

两栖车辆车体尾部形状对喷水推进器进口流场的影响

research on warship waterjet propulsion

舰船喷水推进技术研究

the overview of development and research for waterjet propulsion

喷水推进器的发展研究综述

overview of study of waterjet propulsion

喷水推进研究综述

dynamic simulation of the turning transient process of waterjet propulsion warship

喷水推进型舰船回转工况动态仿真研究

vortex-induced effect and structural strength of the channel-grating in waterjet propulsion

喷水推进流道格栅的涡激效应与结构强度

waterjet propulsion equipment and its application on warships

喷水推进装置及其在舰艇上的应用

at last, some features and prospects of the applications of waterjet propulsion are summed up.

最后归纳了喷水推进装置应用的特点，并就其未来的发展作了展望。

used the ship with waterjet propulsion as research object, this paper researches the ship course and speed control technology.

本文以喷水推进船舶为研究对象，开展了航向和航速综合控制技术的研究工作。

so the ship's waterjet propulsion control technology is gradually attracting the attention of the researchers in the field.

因此关于喷水推进船舶的控制技术也逐渐吸引了该领域研究人员的高度重视。

research of network detecting system about regional water leakage of water supply pipe

网络化自来水管道区域漏水检测系统研究

allocation model of regional water resources in water supply in different quality

基于分质供水的区域水资源配置

the analysis and forecast of regional water consumption can supply credible data for the rational allocation of regional water resource.

区域用水分析与预测能够为区域水资源的合理配置提供数据依据。

on the coordination between regional water resources supply and demand based on gray relational entropy

基于灰关联熵的区域水资源供需协调分析

analysis of regional average water supply cost of water structures

区域构造（地球）化学浅析水利工程区域平均供水成本

a regional water supply automatic supervising system is designed by use of the information technologies combined with the characteristics of large scale water supply project, and the design content, collectivity configuration, equipment selection, data communication manners and software systems are discussed in detail.

结合大型供水工程的特点，利用现代信息技术设计了供水自动化监控系统，对系统的设计内容、总体结构、数据通讯方式、设备选型、软件系统进行了详细探讨。