The single pile is simplified to elastic shaft elements suffering skin friction and the soil mass is considered to be homogeneous isotropic elastic semi space.

将单桩简化为受侧摩阻力的弹性杆单元，土体简化为均质弹性半空间无限体。

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However, the copying collector deals poorly with long-lived objects, repeatedly copying them back and forth from one semi-space to another.

不过，复制收集器处理长寿对象却很糟糕，它要从一个半空间向另一个半空间反复来回复制这些对象。

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His task is to transfer an entire syringe of semi-viscous content into a space that's already filled with tissue and fat.

他的任务是把一针管的半粘性物质注射到已经充满了组织和脂肪的位置。

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The achievements include sending rovers to Mars, placing countless communication and imagining satellites in orbit, and the International Space Station, a semi-permanent home in space.

FORBES: Man in Space! 50 Years Later

The one American attempt at a semi-permanent space station Skylab was crewed for a mere six months in the 1970s, whereas Mir has been continuously occupied since its launch.

ECONOMIST: Mir today, gone tomorrow?

However interesting all these features are, the best part of Camp Leakey is the once-in-a-lifetime opportunity to sit in a forest and share space with these semi-wild orangutans.

BBC: Drifting down the Sekonyer