warning line

基本解释

The author suggests take 25% of flexion as a warning line of calculation.
在计算中，建议将截面屈曲程度达到25%作为茎发生屈曲的标准；
It is the latest figure for assessing income disparities and crosses the international warning line of 0.4.
这是评定收入差距得出的最新数据，它超过了0.4的国际警戒线。
blog.sina.com.cn
In China, the urban unemployment rate of 2008 was 9.4%, which exceeded the international warning line of 7%.
我国同样未能幸免，2008年我国城镇失业率为9.4%，已超过7%的国际警戒线。

Volume was very heavy on the break, but the OBV gave a good warning as its uptrend (line f) was broken in March.
FORBES: Week Ahead: Fireworks Coming Early?
One well-known governor has already been brought discreetly into line with a warning that his son's role in running the region's top bank is under investigation.
ECONOMIST: The chaos at the door