Hardness was counted by Dynamic Ultra Micro Hardness Tester.

动态超显微硬度仪测试材料的硬度。

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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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The flow fields of ultra micro rotary fluid fragment or were measured and investigated by using laser Doppler anemometer.

采用激光多普勒测速仪，对超细旋液粉碎器工作腔内流场进行测量和研究。

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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

The JBL OnBeat Micro is an ultra-portable, acoustically sophisticated speaker that fits easily into a backpack, purse or briefcase.

ENGADGET: JBL intros first Lightning-equipped speaker docks, we go ears-on