insecurity factors

基本解释

However international petroleum market often changes mutably, import petroleum faces a series of risk and many insecurity factors in petroleum import trade.
然而国际石油市场风云变幻，进口石油面临石油进口贸易中的一系列风险和多因素的不安全性。
Because construction circumstances of high dip angle and long inclined shaft was special, the construction was difficult and there were many insecurity factors.
陡倾角长斜井施工由于施工环境特殊，施工难度大，存在诸多不安全因素。
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Or digest process exist insecurity factors;
或消解过程中存在不安全因素；

So he understands that that creates economic insecurity, combined with all these other factors.
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