The prominent advantage of this method is that the Earth angular momentum can be decoupled into mass term and velocity term and hence makes a complex problem simplified.

其突出的优点是可以使引起地球角动量变化的质量项和速度场项解耦，使原来较复杂的问题简化。

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From that data, they've devised what they term the "habitability metric," a value representing a planet's temperature and mass that determines whether or not it can support life.

从这些数据中，他们设定了一个称为“可居住度”的值，代表一颗行星的温度和质量，决定了它是否能支持生命的存在。

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It takes a weather-forecasting model of the atmosphere and injects particles of a specified mass and size at a particular place (the "source term").

它有一个天气预报的大气模型，并在一个特殊区域注入指定规模和大小的微粒(源项)。

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Carnival trades at a forward PE multiple4 of 16, with a forecast long-term growth rate of around 16% per year.5 This is an attractive trade off, in my opinion, particularly given the great dynamics of an industry riding the powerful, long-term currents of mass affluence and aging.

FORBES: Why Carnival Corp. May Be On Course For Smooth Sailing

Already, there has been one instance of new terrorists using weapons of mass destruction the generic term for biological, chemical and nuclear arms.

ECONOMIST: Coming soon to a city near you | The

In the U.S. the mass market in wine is a relative term.

FORBES: Harvest Time