You take the flux, multiply it by the cross section, average it, integrate it over the whole volume.

你拿流量乘以横截面，平均它，乘以它除以总容积。

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By cross-breeding with our native red deer, the skia deer have affected the gene pool.

通过与我们本地的赤鹿杂交，梅花鹿影响了基因库。

《柯林斯英汉双解大词典》

Dr. Russel is creating an elite herd by cross-breeding goats from around the globe.

罗素博士正在通过使来自世界各地的山羊杂交而创造一种精品羊群。

《柯林斯英汉双解大词典》

Supporters say the law will help reduce crime by illegal immigrants who cross the border from Mexico into Arizona.

VOA: special.2010.05.01

So you have three main trade routes that cross the country, and they were used by trading caravans that would carry gold and grain and spices and textiles and other goods between Egypt and the rest of the Fertile Crescent and up into Asia Minor.

你有三条主要道路穿过这个国家，他们被通商的车队所使用,驮着金子，谷物，香料，纺织品和其他货物,在埃及与其他肥沃的伊斯兰教国家间,向上到达小亚细亚。

耶鲁公开课 - 旧约导论课程节选

The Kepler space telescope looks for planets by measuring tiny decreases in the brightness of stars when planets cross in front of them.

VOA: special.2011.02.09

It is thought the application will be ready to be considered by the cross-party planning committee in January 2013.

BBC: Gloucester incinerator: Experts to help with plans

The cooperation fostered by the cross-license reinforces the ability of both companies to provide compelling imaging solutions to their customers.

ENGADGET: Aptina and Sony cross-license their camera patents, Nikon smiles

The report by the cross-party group comes after the National Audit Office and Diabetes UK both published critical studies on diabetes care this year.

BBC: Diabetes care depressingly poor, say MPs