具有不同生命周期、由不同开发者使用不同工具开发出的应用之间存在着过多的依赖，这些导致了系统的脆弱和不稳定。
Creating too much dependency between applications with very different life cycles, developers mindsets, tooling, etc. leads to brittle and unstable systems.
由于井眼的不稳定和落入井眼的工具而造成的损失时间，会导致钻井费用更高以及生产的延迟。
Lost time due to wellbore instability and tools lost in a borehole leads to higher drilling expenditures and delayed production.
本文的结果表明空间不稳定性分析是全面认识涡旋流动不稳定性的一种有用的工具。
The results show that spatial instability analysis is a useful tool for the comprehensive understanding of the instability behaviours of a swirling flow.
美中不足的是，在2002年市场出现了大量的金融衍生工具之后，全球经济正变得越来越不稳定。
The catch is that after the amount of financial derivatives shot up in 2002 onward the global economy became increasing unstable.
当然，我可能也需要用到一些支持工具；用调整和变化来支持受过伤或不稳定的区域。
Of course, we may also need to use props; allowing for modifications and variations to support damaged or destabilized areas.
倒立摆系统是一个高阶的、非线性、强耦合的绝对不稳定系统，它是检验各种新的控制理论与方法的一个有效的工具。
Inverted pendulum system is a higher-order, nonlinear, strongly coupled and absolutely instable system. It is an effective tool for validating new control theories and methods.
倒立摆系统是一个高阶的、非线性、强耦合的绝对不稳定系统，它是检验各种新的控制理论与方法的一个有效的工具。
Inverted pendulum system is a higher-order, nonlinear, strongly coupled and absolutely instable system. It is an effective tool for validating new control theories and methods.
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