The requirement of research on digital depth sounder was put forward in this paper. The development of automative measuring equipment in navigation has also been introduced.
本文在分析当前我国航海自动化测量仪器发展现状的基础上提出研制回声测深仪的时代要求;根据回声测深仪的技术要求分析该课题的理论研究背景。
参考来源 - 回声测深仪数字系统设计·2,447,543篇论文数据,部分数据来源于NoteExpress
N an electromagnetic device formerly used in telegraphy to convert electric signals sent over wires into audible sounds (曾用在电信技术中的)音响器; 以转化电信号并把它送进导线变为听得见的声音
N
N a person or device that measures the depth of water, etc 测量水深的人; 测量水深的仪器
A number of techniques developed since the 1950s, however, have placed the study of these subjects on a sounder and more objective footing.
但是,自二十世纪五十年代以来一些技术的发展为这些学科的研究提供了更健全、更客观的基础。
Mr Huckabee's ideas on health care are considerably sounder, and he sells them deftly.
Huckabee先生在医疗保健方面的想法则要好得多,而且他灵巧地推销它们。
Finally, none of this deals with the obvious problem of transition from what we have to a sounder system.
最后,所有这些建议都不能解决一个显而易见的问题:如何把我们现有的金融体系转变为一个更加稳健的体系。
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