Red sand stone is low or medium rock strain in strength, variable and complicated in litho - facies, and easily weathered or weakened.

红砂岩为中低强度岩层、岩相复杂多变，较易风化、软化。

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Oil companies are drilling into rock layers where every square centimeter (0.16 square inch) is subject to pressure equivalent to the weight of a medium-sized car.

石油公司所开采的岩层上，每平方厘米所承受的压力相当于一辆中等大小的汽车。

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Recently we heard about the M-disc; which can reportedly store data in a rock-like medium for up to 1,000 years.

不久之前，我们听说了M盘（M-DISC），据报道这种像石头一样的介质可以将数据储存达1000年之久。

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"Medium" on guitar and drums with the Beatles also seems easier than "medium" on "Rock Band, " while "hard" was sometimes just challenging enough for people who had played many times before, with "expert" mode still perhaps beyond reach.

CNN: Review: 'Beatles: Rock Band' fun for jamming in groups

Set amidst a throng of other products, including Lladro sculptures, Bolzano handbags and Bora Bora getaways, the BlackBerry Pearl went home with 30 Rock's Tina Fey, Dreamgirls' Jennifer Hudson and Medium's Patricia Arquette, among others.

FORBES: Hollywood's All Ears

Some have even suggested the loose rock regolith on the surface of the moon or Mars as a growing medium, although additional minerals would need to be brought from Earth.

CNN: To boldly grow where no one has grown before