It is nearly identical to our own planet and bulk properties such as mass, density, and size.

它几乎与我们自己的行星和体积属性相同，包括质量、密度和大小。

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But mass retailers demand discounts of up to 60% for bulk orders, shrinking margins.

但大批订货的商家向出版商索要高达60%的数量折扣，这反而使得利润减少了。

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The bulk messages -- which are mass mailings you've signed up for -- are labeled as such and bypass the inbox entirely.

CNN: Google 'smart labels' aim to de-stress e-mail

For now, Google plans to circulate only a few hundred videos created by commercial media companies rather than tangling with the mass of user-generated clips that make up the bulk of YouTube content.

FORBES: Magazine Article

The size of the mass market for personal computers gave Intel the resources needed to bulk that architecture up for servers and supercomputers, and scale it down for laptops.

FORBES: Intel Prepares For Netbook And Tablet War