Measuring the reverse bias current of an APD requires an instrument that can measure current over a wide range as well as output a voltage sweep.

测量APD的反向偏置电流需要一种能够在很宽范围内测量电流并且能输出扫描电压的仪器。

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He followed up a straight six off Broad with a reverse sweep for four in Adil Rashid's first over.

BBC: Superb Netherlands shock England

He collected nine fours and a six in his 90-ball innings before he was bowled missing an attempted reverse sweep off Hiren Varaiya.

BBC: Last Updated: Monday, 5 March 2007, 23:28 GMT

Lancashire lost Lou Vincent cheaply but opener Mal Loye hit five fours and a six before he top-edged a reverse sweep to point for 32.

BBC: Du Plessis takes Lancs to victory