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Abstract: Various factors affecting the yield of packaging process of high speed switching diodes were analyzed on die structure and packaging process of devices, and steps have been taken to improve the yield of the dioldes.
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摘要：从器件的芯片结构及封焊工艺入手，分析了封焊工艺影响成品率的各种原因，并采取相应的改进措施，提高了器件的成品率。 |
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Abstract: Various measures for anti-interference for embedded control system are stated for enhancing the capability of the system.These include power supply, grounding, isolated input and output channels and circuit design.
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文摘:主要对嵌入式控制系统在抗干扰方面提出了各种措施，包括电源、接地、隔离输入、输出通道，以及在电路设计上采取了措施，以求提高系统的抗干扰能力。 |
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Abstract: Various parameters concerning water quality and atmosphere in environmental monitoring and control and the applications of sensors in this field is introduced.The fundamental principles of optic fibre sensors,thick film micro-sensors,biosensors,
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文摘:介绍了环境监控中水质和大气两个主要方面所涉及的参数及传感器在该领域中的应用，并简单的描述了光纤、厚膜微型电极、生物、电化学、光、半导体氧化物等六类传感器的基本原理。 |
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Abstract: Virtual instrument is the advanced technique in measurement field.It has typical development steps based on the hardware,software,bus structure etc.
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文摘:虚拟仪器是当今仪器仪表发展的趋势，根据硬件结构、总线结构、开发平台的不同，虚拟仪器系统有一套典型开发步骤和系统构建方式。 |
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Abstract: Virtual manufacturing (VM), the landmark of information era, is the all-sided innovation caused by modeling and simulation technologies in traditional manufacturing.
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文摘:虚拟制造是信息时代制造技术的重要标志，是建模与仿真技术对制造业的全方位改造。 |
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Abstract: Volcanic-type uranium deposits in China are mainly located in southeastern China with the predominant mono-uranium subtype in ore composition.
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文摘:中国火山岩型铀矿床主要产于东南沿海一带，其矿石物质成分以单铀类型为主，但也存在一些复杂类型的矿床。 |
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Abstract: Voyage to the West is a novel recording the history of Zheng He's seven trips to the western seas and his visits to more than 30 countries in the Yongle era.
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提要：《西洋记》以明朝永乐年间郑和七下西洋、通使30余国事为线索，以小说的形式记述了这段历史。 |
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Abstract: Wangjiang county is a large agricultural county in cotton, grain crop and oil production.
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文摘:望江县是一个以生产棉粮油为主的农业大县。 |
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Abstract: Water environment is a very important part of natural geographical environment, and its change is bound to influence the evolution of society and culture because human society depends on water.
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文摘:水环境作为自然地理环境的一个重要组成部分，其变迁影响到人类社会、文化的演变，对地域文化的形成和发展起着重要的作用。 |
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Abstract: Water feature can play the special role in the landscape, can bring happy enjoy to the person, but is day by day short along with the water resources, how built is suitable for the person appreciates water feature becomes the question which each
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摘要：水景能够在景观中发挥特殊的作用，能够给人带来美好的享受，可是随着水资源的日益短缺，如何去营建适于人欣赏的水景成为每一个景观设计师所面临的问题，本文只是做了一个简单的分析及思考，希望能够起到一定的抛砖引玉的作用。 |
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Abstract: Water resource is a major limited factor for western develo p ment of China.
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文摘:实行西部经济大开发，水资源是制约的首要因素。 |
