Hydraulic impulse test is the important aspect in the design of airplane hydraulic system.

液压脉冲试验是飞机液压系统设计中的重要环节。

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The function and working principle of a digital analytic system for transformer impulse test measurement are introduced.

介绍了一种变压器冲击试验测量分析系统的功能及工作原理。

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The paper describes the basic switching impulse test results of phase-to-phase insulation in EHV substations and overhead lines.

本文叙述超高压变电所和架空线路中相间绝缘操作冲击试验的基本结果。

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Before its coast-to-coast American trip, the Solar Impulse will take test flights around the San Francisco Bay Area in April, officials said.

WSJ: Solar plane plans stops in Phoenix, Dallas, NYC

Speaking of sun-powered planes, the Solar Impulse just made its final test flight around the San Francisco Bay Area before embarking on a cross-country voyage next week.

ENGADGET: Inhabitat's Week in Green: flying electric car, 3D-printed livers and a two-story-tall bike