Titlebook: Neue Forschungs- und Entwicklungsrichtungen im Fernsehen. Der gegenw?rtige Stand der Filmtechnik; Fritz Schr?ter,Albert Narath Book 1957 S

四溢

Ciarán Burkeciate the limitations of widely used sound propagation models. The chapter begins by deriving the sonar equation for a number of scenarios, including animal acoustic communication, communication masking by noise, and acoustic surveying of animals. It introduces the concept of the layered ocean, pres

干涉

拖債

白楊魚

暫停,間歇

Horst Herrlicheral ideas and theories, on the other, a strategy for data construction. A decisive test of whether the topic is worth researching is that we are able to show its importance or relevance to others and not alone to ourselves. Thus, the first part of the design process deals with clarifying and narrow

生存環(huán)境