The magnetizing curve of silicon steel sheets is approximated with two-section line and the saturation degree is defined.

针对电工硅钢片的特点，将磁化曲线简化为两条具有不同斜率的折线。

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Half a mile away there's another thumping great bronze, the two-section 1962 Knife Edge, opposite the House of Lords - a site chosen by Moore for its high visibility.

半英里之外还有另外一件庞大的青铜雕塑，1962年的两片《刀锋》，位于英国上议院对面——因为位置醒目摩尔选择了这里。

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In this section, you will hear two passages.

在这一部分，你将听到两篇文章。

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They were found at various points of a two-mile section of the river, between Bishopswood, Ross-on-Wye, and Lydbrook in Gloucestershire.

BBC: Newport canoeists rescued from swollen River Wye

Regrettably those chosen were not too co-operative in giving answers quickly or on particularly humorous subject areas - badgers and frogs were two typical answers - so this section wasn't overly successful.

BBC: By Jeff Allum

This two-and-a-half mile section of the river cautiously opened to the public in 2011 as part of a pilot programme.

BBC: Paddling Los Angeles�� rebounding river