Another way to probe the particles' properties is to look for the gamma-ray radiation produced when two WIMPs collide and annihilate each other, producing a cascade of particles and photons.

另一种探明粒子性质的方法是观测两个WIMP的碰撞湮灭，此过程同时产生的一系列粒子和质子，产生伽马射线放射物。

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Concurrency Control and Recovery in Database Systems (see Resources) gives the properties of successful executions, which, if fulfilled, prevent a system from producing inconsistencies.

数据库系统的并发控制和复原(请参阅参考资料)给出了防止系统产生不一致问题的正确操作的属性。

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The result is a flexible film of crystals with opalescent properties that can be used to coat malleable surfaces, producing attractive iridescent hues.

这样就产生了一种结晶状的柔韧性薄膜，有乳白色的特质，能被用于涂抹有延展性的表面，同时产生美丽无比的彩虹般的色彩。

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REITs are companies that own lots of land and operate lots of money-producing properties.

FORBES: What The Heck Is A REIT?

Other options might be high-yield bonds, floating-rate debt, cash, commodities, or real-estate income producing properties.

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It must grapple with fixed costs and uncommitted capital that has yet to buy income-producing properties, he says.

FORBES: Money & Investing