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Abstract: At present, the main means for time transfer are long or short wave, telephone,GPS, double star etc.
中文意思:
文摘:目前,国内外时间传递方式主要有长波授时、短波授时、电话授时、双星比对、GPS时间信息。


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Abstract: Assistant design with general figure instruments which can run in general micro computer is selectable scheme in the departments which can not apply special instrument and software system to carry out afforestation design and some field in which 文摘:对于尚不具备专业设备和专业软件系统开展造林作业类设计的部门,以及不宜运用专业软件的局部领域,利用在普通微机上运行的通用图形工具进行辅助设计,是一种可选的方案。
Abstract: At first,a new type of intelligent,micro-consumption and portable resistance welding checker is introduced,and then the hardware and software of the checker depending on single chip micro-controller is proposed in this paper.Finally,the principl 文摘:详细介绍了一种新型智能微功耗便携电阻焊测试仪,并给出了以单片机构成的智能微功耗测量系统的硬件电路及软件流程,阐述了微功耗系统的设计原则与方法。
Abstract: At first,the shaking table test of a gravity pier model was done.The comparison between the test data and the theoretical analysis results of the model showed that they are identical to each other.The dynamic model of a whole bridge with gravity 文摘:首先进行了重力式桥墩模型振动台模拟地震试验,试验与理论分析结果基本一致;然后建立了采用铅芯橡胶支座的重力式桥墩桥梁全桥体系动力分析模型,计算分析了铅芯橡胶支座对桥梁的减、隔震作用及重力式桥墩的抗震性能,提出了重力式桥墩桥梁的抗震措施。
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Abstract: At present, the main means for time transfer are long or short wave, telephone,GPS, double star etc. 文摘:目前,国内外时间传递方式主要有长波授时、短波授时、电话授时、双星比对、GPS时间信息。
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