In this part, through the study of database management skills that are currently applied, we determine to build up ECDB in Oracle 9i, and then the whole process of database building has been explained.

As a case study, this system is applied in Engineering Chemistry Da-tabase ( ECDB), to implement the service of resource-sharing and data-integration.

该系统以工程化学数据库为案例并得到应用，实现其多个数据库的资源共享与数据集成服务。

The structure of the ECDC contains the schema, storage-schema and three subschemas and which defines two records, five sets and six stored realms.

收集入库的地震目录数据比较齐全，精确性较高，具有一定的科学价值.数据库的结构包括模式、存储模式和三个子模式，其中定义了两个记录，五个系和六个存储域。

ECDC is providing technical support to the Member States and the European Commission with regards to the surveillance of cases reported in the EU and abroad.

欧洲疾病预防控制中心（ECDC）向各成员国提供技术支持，欧盟委员会也一直关注欧盟及其他国家的病例情况。

This article introduces the earthquake catalogue database of China which uses a VAX-780 computer and DBMS data base system and is called ECDC for short.

本文介绍应用VAX DBMS数据库管理系统建立的中国地震目录数据库（简称ECDC）。

Committee of Experts of the Perez-Guerrero Trust Fund for ECDC/ TCDC

佩雷斯&格雷罗经合-技合信托基金专家委员会

ECDC ′ s mission is to identify, assess and communicate the current and emerging threats to human health caused by infectious diseases.

ECDC的任务是对危害人类健康的传染病进行鉴定、评估和交流。

ECDC director Andrea Ammon says virus cases across the continent have been increasing for more than five weeks.

欧洲疾病与控制中心主任安德里亚·阿蒙说，整个欧洲大陆的病毒病例在过去五周内持续增加。

Meeting of Experts of the Group of 77 on ECDC Finance 77

国集团经合资金问题专家会议

A robust external cavity diode laser ( ECDL) insensitive to mechanical vibration is built with an interference filter for selecting wavelength and a cat-eye reflector for light feedback.

应用干涉滤光片和“猫眼”光学系统，研制频率稳定性较高的抗振半导体激光器系统。

Beginning with the general properties of diode lasers, a homemade external cavity diode laser ( ECDL) is designed, assembled and optimized.

本文首先从自由运转半导体激光器的基本特性出发，完成了光栅外腔反馈半导体激光器的自制；

The development of the External Cavity Laser Diode ( ECDL) and the use of aspherical lens indeed improved the performance of the Laser Diode greatly.

外腔半导体激光器的发展大大改善了半导体激光器的性能。

Study on the Properties of the AR-coated ECDL

减反膜外腔半导体激光器特性的研究

This electrochemical double-layer ( ECDL) capacitor improves the energy storage density dramatically in comparing with conventional electrolytic capacitors.

电化学电容是一种与电池和传统的电容都不同的新型储能器件。

High speed Data Acquisition System of ECDL Current Source

半导体激光器电流源高速采集系统设计

The system integrated the functions of main instruments used in OA-CEAS, such as ECDL, wavemeter and oscilloscope, and has a friendly visual interface.

该系统有机结合了OA-CEAS中各仪器设备如激光器、波长计、示波器等各种功能，拥有友好的可视界面，易于操作，能够满足对离轴入射腔增强吸收光谱技术研究的各项要求。

Electrochemical deburring machining ( ECDM) is an important developing direction of the future modern machining.

电解去毛刺加工是未来现代化加工的一个重要发展方向。

Entrepreneurial creative decision-making ( ECDM) is a kind of complex thinking and economic phenomenon.

企业家创造性决策（ECDM）作为一种复杂的思维和经济现象，远非从一个视角和维度就能概括其全貌。

The extended model is named as ECDM model.

扩展后的模型称为ECDM模型。

Processing technology of ECDP hollow staple fiber

ECDP中空短纤维加工技术

A research on the dyeing behaviour in dyeing ECDP fine denier silk

阳离子易染涤纶细旦丝的染色性能研究