Scientists explain all of these manifestations of the arrow of time in terms of entropy—loosely, the “disorderliness” of a system.

就约束力小的一致性而言，科学家把所有这些时间的箭头的表现解释为一个系统的“无序”。

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The apparent arrow of time emerges as a property of the macroscopic system, but it's not there in the laws that govern the individual particle interactions.

很显然时间箭头成为了宏观系统的一种性质，但没有定律来控制单个原子间的相互作用。

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The removal of a neutron from the system is indicated by the head of an arrow.

用箭头表示一个中子从这个系统中的移动。

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The Israeli Arrow Defense System, with a high-explosive warhead, has a kill range of tens of meters.

CENTERFORSECURITYPOLICY: Multilateral madness

The Arrow Weapon System, produced by Israel Aircraft Industries with American financial help, has a record of successful tests (five out of six).

ECONOMIST: Rockets overhead

In a report published by The Jerusalem Center for Public Affairs, Rubin, who has been awarded the Israel Defense Prize and oversaw the development of Israel's Arrow missile defense system, concludes that Iran today has the capacity to develop solid-fuel-based intermediate ballistic missiles with a range of 3, 600 kilometers.

CENTERFORSECURITYPOLICY: Time's up on Iran