HTD怎么记

Thirdly by demonstrating analysis of questionnaire investigation and case study, it illustrates the actuality of traffic disasters and the disadvantages of highway management; meanwhile, it gets the feasibility to construct a highway forewarning management system ( FMS) for HTD in highway administration department.

三是通过实证分析，分析了我国高速公路交通灾害的现实灾情，高速公路的管理问题，探讨了为高速公路管理部门构建交通灾害预警管理系统的可行性。

On the pilot digestor, hydrothermal degradation ( HTD) experiments of lawn-grass by the catalytic action of di-lute vitriol and no additional catalyzer were carried out.

在小型湿解实验装置中，对草坪草进行了加稀硫酸催化和不加任何催化剂的湿解实验。

Topic detection and tracking ( TDT) aims to develop a series of technologies for event based information organization, and hierarchical topic detection ( HTD) is a new task of it.

话题识别与跟踪（topic detection and tracking，TDT）旨在发展一系列基于事件的信息组织技术，层次化话题识别（hierarchical topic detection，HTD）是其中一项全新的任务定义形式。