warning limit

The results showed that the soils derived from Quaternary red clay contain warning limit of heavy metals, and only 15% of the soils are polluted by Cd.

结果表明：第四纪红土发育的土壤综合污染指数处于警戒线附近，仅Cd出现15%的超标，未受到其他重金属的污染；

Secondly, since the gap between the rich and the poor in China has surpassed the global warning limit, housing products, as necessities of life, are likely to enlarge the gap due to their great value.

是由于我国的贫富差距已经超过国际贫富差距的警戒线，住宅产品作为生活必需品，由于其价值量大，更容易拉大贫富差距。

Specify the mailbox warning and limit sizes and how long to keep deleted items.

指定邮箱警告和限制大小以及已删除邮件的保留时间。

The waster use intensity goes beyond 30%~ 40%, the warning limit identified by international societies, and has brought in water blanking in some rivers;

水资源利用强度超过了30%～40%的国际警界线，加剧了江河断流；

The principle and method of warning limit and warning degree is probed into, and the early-warning signal evaluation model is provided.

对警限和警度的确定原则、方法进行探讨，提出预警信号评价模型。

Rock displacement control is a new conception, coupled with setting up proper displacement warning limit for local tunnel construction.

提出围岩位移控制理念，结合实践经验和现场检验制定适合本地区隧道施工的围岩变形安全警戒值。

While the detected gas concentrations are over the warning limit that set before, light and sound alarm signal is generated.

当二氧化碳气体浓度超过预先设定的阈值的时候，就会产生声光报警信号。