In this tests, the coefficient of permeability of the high air entry disk base of GDS unsaturated Triaxial testing system is also demarcated.

试验过程中还对GDS系统的陶土板底座渗透系数进行了标定。

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International points of entry, whether by land, sea or air, provide an opportunity to apply health measures to prevent international spread of disease.

国际入境口岸，不论是陆路、海港还是空港，均有机会采取卫生措施以预防疾病的国际传播。

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The entry-level MacBook Air is priced the same as the MacBook at $999.

入门级的MacBook Air电脑与苹果电脑售价相同，为999美元。

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Experts said protrusions on the otherwise smooth belly of the shuttle could disturb the air flow during re-entry, causing turbulence that raises temperatures on heatshield tiles downstream.

BBC: NEWS | Science/Nature | Astronaut fixes shuttle problem

From those finalists, we then awarded points to cars that offer the following as standard on at least one trim level: all-wheel drive, leather front seats, an XM radio subscription, Bluetooth capability, cruise control, advanced air bag protection and remote entry.

FORBES: Most Value-Packed Cars

If you're used to working in the cloud, you're basically getting 80 percent of the entry-level MacBook Air experience for a quarter of the price.

ENGADGET: Hands-on with Google's $249, ARM-based Chromebook (update: video)