单词:dual-trace oscillograph
单词:dual-trace oscillograph 相关文章
EXPLORATIONS - America's Interstate Highway System Has Almost 70,000 Kilometers of Roads By Paul Thompson Broadcast: Wednesday, October 12, 2005 (MUSIC) VOICE ONE: This is Sarah Long. VOICE TWO: In 19
So fundamentally, rather than, for example, measuring content based on how many people are watching, 从根本上,而不是,比如根据收视率衡量内容 this gives us the basic data for looking at engagement properties of content. 这个给了
MARY LOUISE KELLY, HOST: The phrase leave no trace is often used to describe good behavior in national parks, meaning enjoy the scenery, and then leave the park exactly as pristine as you found it. The new movie Leave No Trace is about a father and d
By Peter Heinlein New York City 05 October 2007 Runners on the streets of New York are commonplace this time of year. There is the marathon next month, and occasionally, other organized runs. But one annual event has skyrocketed to prominence in rece
Ex-hostage Ingrid Betancourt received a joyful welcome in France, where she arrived Friday after spending more than six years as a hostage of Colombian rebels. Lisa Bryant has more on a homecoming of sorts for Betancourt, who has dual French-Colombi
By David McAlary Washington 14 March 2007 International financier George Soros is giving $3 million to help public health experts fight a lethal, drug-resistant form of tuberculosis in sub-Saharan Africa. VOA's David McAlary in Washington reports tha