四、教学内容和基本要求(Main Contents and Requirements) 1. 基本实验技能(Basic Experimental Skills) 掌握玻璃仪器的清洗与干燥；常用玻璃仪器的拆装；加热与冷却；回流、蒸馏；萃取和...
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Analysis is made on the main three phases of the expense control for highway engineering, especially in the methods, contents, requirements and objects of each phase.
对费用控制的三个主要阶段进行分析，对每一阶段的控制方法与控制内容作出说明，对控制要求和控制目标进行探讨。
The main contents of 2004/104/EC, the latest revision of EU instruction 72/245/EEC on the technical requirements of EMC, is introduced here with its changes and points for attention.
就汽车电磁兼容（EMC）技术要求，介绍欧盟指令72/245/EEC的最新修订版2004/104/EC的主要内容，指出其主要变化和应注意的问题。
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