Gear drawing standards - part 1: for spur, helical, double helical and rack.

齿轮制图标准。第1部分：正齿。螺旋齿。双螺旋齿和齿条。

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Based on technical drawing standards, this paper describes the union and simplification meaning of national standards.

以技术制图标准为依据，介绍了国标的统一和简化的意义。

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This paper analyzes the current drawing standards in China and compares some of them with old drawing standards in order to give attention in drawing.

本文就我国标准目前的状况、新旧标准内容的变化作了介绍，以便绘图时引起重视。

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This is despite the government body that advises on security, based at GCHQ in Cheltenham, drawing up standards for validating the security, or otherwise, of the meters.

BBC: How to hack a nation's infrastructure

But the samples on which Biscoe is drawing for her market research aren't exactly up to AC Nielsen standards.

FORBES: The Whiners

That seems to be the moral pundits are drawing from this week's primaries in Florida, where dazzlingly wealthy political novices spent small (by their standards) fortunes vying for the Democratic nomination for senator and the Republican nomination for governor.

ECONOMIST: Neither money nor dynasty guaranteed success