Mainly described are the working principles and structure features of the number marking device for the computer-controlled signal board.

主要介绍了微机控制标志板打号机的工作原理及结构特点。

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Those concerns were around grade boundaries and not the exam board marking.

BBC: Exam grades changed for 45,000 in re-marking

Crude prices have been spiking over the board, with all benchmarks marking significant gains.

FORBES: Oil Hits $100 In New York As Libya's Violent Uprising Carries On

An Ofqual spokeswoman said it is "vital that marking is fair and accurate" and that the regulator was considering exam board "practices and processes".

BBC: Exam grades changed for 45,000 in re-marking