A programmable read-only memory microchip (PROM) serves to store the initial start-up program for a computer system and is built to withstand the conditions present in outer space.

可编程只读存储芯片用于存储计算机系统的初始启动程序，它被设计成可以承受目前外太空的环境状况。

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This data is accessible within each activated route and can be used to store items such as page titles, breadcrumb text and other read-only data.

该数据可以被任何一个激活路由访问，并能用来保存诸如页标题、面包屑以及其它只读数据。

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Readers could return the books they bought after they've read them and the store charges only 1.5 euros for depreciation.

读者在这里买的书读完后若想退回，书店只收1.5欧元的折旧费。

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Instead of purchasing e-books through a single online store to read only on compatible software (i.e. books bought from the Kindle Store can only be read on Kindle apps), Google lets consumers buy books either from its store or any other online vendor that sells books in EPUB and PDF formats, and read them on any device with a web browser.

FORBES: Google's E-bookstore Has Arrived