Absolute errors processing include four modules which were Line-Weight Checking module, Hatch Checking module, Dimension Checking module and Redundant-Line Checking module.

绝对错误检查包括线宽分类检查、剖面线检查、尺寸标注检查、重合线检查四个模块。

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However, the record attempt was almost wrecked from the start as the servers handling the downloads collapsed under the weight of visitors checking to see if new version was available.

BBC: Firefox claims download success