The helix seal was put forward to be used in ultra-micro gas turbine (UMGT) system for reducing gas leakage.

提出将螺旋密封应用于超微燃气透平气体介质密封。

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Objective To explore the inner quality of ultra micro-powder.

目的探讨当归超微细粉的内在质量。

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Results The contents of main components in single decoction solution of ultra micro-powder were higher than those in concentrate-granules, and the same as those in slice form.

结果当归超微细粉水提取液中主成分含量高于浓缩颗粒，而与饮片水提取液相当。

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At a recent competition for schools to come up with clever uses for the Raspberry Pi - the ultra-cheap micro-controller - there was a dearth of entries from state schools.

BBC: Have private schools helped teen app makers to thrive?

The pocket-sized JBL Micro II ultra-portable speaker can be clipped to clothing or slipped into a purse.

ENGADGET: JBL freshens its portable speakers with Micro II, Bluetooth-toting Flip and Micro Wireless

Terms like small-batch, micro-lot and ultra-premium get tossed around liberally at times, with even the bigger producers trotting out their own versions of small lot, special wines from their massive portfolios.

FORBES: Spadarotto Cabernet: The Best Cult Wine You Never Heard Of