The presence of bigger grains in a core cloud, Spitzer scientists say, suggests the cloud is relatively old and that it hosts faster-forming planets.

斯皮策的科学家们说，核状星云中较大颗粒的存在暗示，星云已有相当的年纪，而且它拥有很多快速形成的行星。

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AIM: to observe the effect of intermittent parathyroid hormone (PTH) administration on bone histomorphology of relatively old ovariectomized rats.

目的：观察甲状旁腺激素(PTH)间歇注射对月龄较老的去卵巢大鼠骨组织形态计量学的影响。

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The population is also relatively old, so health care, hitherto a Democratic subject, has been an important issue.

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Most famously, Abramovich wanted to bring relatively old players like Michael Ballack and Andriy Shevchenko, both aged 30, onto the team.

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And all of a sudden your relatively old refrigerator or air conditioner doesn't work because the new operating system isn't backward-compatible with the systems in these devices.

CNN: Home, sweet networked home