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.

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

Study and discussion on the test methods of the ECDP filament tenacity loss

阳离子易染聚酯长丝强度降测试方法研究

When the concentration of exogenous La 3+ was higher than 300 mg/ kg, base saturation percentage ( BSP) and effective cations exchange capacity ( ECEC) decreased significantly, exchangeable acidity and exchangeable aluminum, however, increased significantly compared with the control.

当外源镧浓度大于300mg/kg时，土壤盐基饱和度与有效阳离子交换量显著降低，而交换性酸和交换性铝显著增加。

The experiments show that not only the oxidation of BV is promoted, the reaction mechanism is also changed from a ECEC to a ECCECC process by the introduction of water into DMF.

实验中发现，在有机溶剂DMF中引入水不但促进了BV氧化反应的进行，而且还使BV的氧化反应由在DMF中的ECEC历程转变为ECCECC反应过程。

The result of CFA shows that there are three life style factors among ECEC students, including romance and caring style, self-decided and ambition style, social and fashion style.

验证性因素分析结果显示幼保系学生的生活风格包含浪漫关怀、自主进取、社交时尚等型。