The general failure model and mechanism of circuit break, loose contact, instant break, male insulation, short-circuit, false matching, poor fix and bad seal were discussed.

阐述了断路、接触不良、瞬断、绝缘不良、短路、误配线、固定不良和密封不良等常见失效模式和失效机理。

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Moments later, Cipriani burst through two tackles to score after a Waldouck half-break and Sackey's second try - after a great pass out of contact by Van Gisbergen - looked to have made the game safe for Wasps.

BBC: Wasps 35-29 Northampton

U.S. Secretary of State Colin Powell has held his first meeting with foreign ministers from the six-nation Contact Group formed to tackle ongoing problems in the Balkans following the break-up of Yugoslavia.

CNN: U.S. joins Balkans peace mission

The teenager - known only as Pupil L - worked under the supervision of a retired teacher and was allowed no contact with other children and break and mealtimes, the House of Lords heard on Monday.

BBC: Violent pupil 'taught in isolation'