His first invention was to design luggage that was flat and therefore easy to stack in railway carriages.

他第一个创意是设计一种扁平而易于堆放在火车厢里的行李包。

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This cross-stack compatibility is the main benefit of using JAXB and JAX-WS, since it makes it easy for you to switch between stacks.

这种跨堆栈兼容性是使用 JAXB 和 JAX-WS 的主要优点，因为这便于在不同的堆栈之间切换。

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This makes it easy for functions to know where their activation record is — they are simply defined in terms of the stack pointer.

这对函数了解自己的活动记录在什么地方提供了方便——它们可以使用堆栈指针的形式简单地进行定义。

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Fits Right In: With its easy-to-read display and easy-to-stack design, the control console will look good in your home-entertainment setup.

ENGADGET: Logitech intros $350 Surround Sound Speakers Z906, Black Eyed Peas still capable of ruining them

One of the glasses, identified as a "joker, " was the standard thick-sided, easy-to-stack 16-ounce pub glass.

WSJ: An Enduring Tradition

With digital and analog inputs, an easy-to-read-and-stack control console and a wireless remote, the Logitech Surround Sound Speakers Z906 let you take charge of your entertainment.

ENGADGET: Logitech intros $350 Surround Sound Speakers Z906, Black Eyed Peas still capable of ruining them