All substances, all forms of matter, can be distinguished according to what wavelength of light they absorb and which ones they reflect.

所有形式的物质，都可以根据它们吸收的光的波长以及反射的光的波长来区分。

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All forms of matter do not have the same properties.

不是一切形式的物质都具有相同的特性的。

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Different as the forms of matter are, they are nothing but matter in motion.

尽管物质的形式各不相同，但都是运动的。

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The particles' disdain for other forms of matter means that most of those reaching the earth pass through it without even noticing it is there.

ECONOMIST: Particle physics

One possible explanation for these positrons is the mutual annihilation of the matter and antimatter forms of a type of dark matter called weakly interacting massive particles, also known as WIMPs.

ECONOMIST: The search for dark matter: Ethereal yet weighty | The

The Justice Department is questioning whether there are legitimate business reasons for such terms or whether they are intended to stop programmers from experimenting with other forms of online distribution, a person familiar with the matter said.

WSJ: U.S. Investigates Cable Companies for Limits on Online Video