If the two media have really different densities, like air and water, then most of the energy is going to be reflected back, very little of it will keep going and get transmitted into the new medium.

而如果这两种介质的密度相差较大，就像空气和水那样，那么大部分的能量将会折射回来，只有一小部分会继续传播进入到新的介质中。

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That is the role of the new Medium-term Strategic Plan.

这就是新的中期战略计划的作用。

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The deceleration gives the new medium a different refractive index.

减速使新介质获得不同的折射率。

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Jack Benny entered the new medium of television in nineteen fifty.

VOA: special.2009.10.11

The next major change in Winslow Homer's life was a decision to work in a new medium.

VOA: special.2010.07.25

He says his decision was guided in large part by new intelligence that shows Iran is focusing on the development of medium and short-range missiles.

VOA: standard.2009.09.17

From the earliest days of the internet the new medium became a forum for nationalist spats that were sometimes relatively innocent by today's standards.

ECONOMIST: Cyber-nationalism

Though they argued that paying writers for online projects would smother the new medium with financial burdens before it could really take off, the opposite may happen.

FORBES: Magazine Article

The programme takes the viewer to the heart of global media corporations and the government - and their ambition to control the power of the new medium.

BBC: NEWS | Programmes | If | If... TV Goes Down The Tube