然而向新型复制因子的这种转移可能会是一个危险的临界点。
Yet this shift to a new replicator may be a dangerous tipping point.
现在存有一大未知数，即到达导致气候进一步变暖的危险临界点时的情形——比如储存在北极甲烷水合物被释放出来。
One big unknown is the stage at which dangerous tipping points would be reached that lead to further warming - for example the release of methane hydrate deposits in the Arctic.
研究发现，受BP漏油事故影响且经FDA检测的虾类产品中有大约50%产品的有害碳物质含量超出了该组织视为对怀孕妇女安全构成危险的控制临界值。
The study found about 50 percent of the shrimp the FDA tested after the BP spill had harmful carbon levels exceeding the level of risk deemed by the group to be safe for pregnant women.
关键操作和临界状态是指能够引起对人员所造成重大伤害，造成船舶损坏，货物或其它的财产和环境的损坏的重大危险的操作。
Critical Operations and Conditions are those which have a significant risk of causing major injuries or illness to people, or damage to ship, cargo, other property and/or the environment.
本文分析推导了应力分界圆与临界起皱压应力、危险断面径向拉应力之间的关系，以及对临界起皱的影响。
This paper makes an analysis on the relation of the stress boundary with the critical tangential compressive stress as well as on its influence on critical internal wrinkling.
结果表明，开裂点、开裂角、最大切向拉应力和临界载荷随椭圆的纵横轴比和倾角的不同而变化，由此可得到最危险的倾角。
The results show that opening point, opening angle, maximal tangential stress and critical load vary with aspect ratio and inclined angle. The most dangerous inclined angle is obtained accordingly.
分析了超临界锅炉吹管过程中受热面超温现象的危险性及原因，根据现场条件提出了有效的解决措施。
The article analyzes the harmfulness and reasons on over-temperature of heating surface in blowpipe, and proposes the effective measures.
在这种情况下，壹个人的体温可能攀升到危险的临界点，身体遭受热应力，可能进而导致轻度中暑或中暑。
Under these conditions, a person's body temperature may climb dangerously, subjecting the body to heat stress that may progress to heat exhaustion or heat stroke.
在这种情况下，壹个人的体温可能攀升到危险的临界点，身体遭受热应力，可能进而导致轻度中暑或中暑。
Under these conditions, a person's body temperature may climb dangerously, subjecting the body to heat stress that may progress to heat exhaustion or heat stroke.
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