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.
然而國際石油市場風雲變幻，進口石油麪臨石油進口貿易中的一系列風險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.
陡傾角長斜井施工由於施工環境特殊，施工難度大，存在諸多不安全因素。
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Or digest process exist insecurity factors;
或消解過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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