Enabling this trace facility will negatively impact system performance, so you should not enable it unless recommended by IBM Software Support and development teams.

启用此跟踪工具将对系统性能造成负面影响，因此除非ibm软件支持和开发团队推荐，否则不应启用它。

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Network traffic does not directly impact system performance.

网络流量不会直接影响系统的性能。

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The response of a two-degree-of-freedom vibro-impact system under stochastic excitation can be obtained by using stochastically excited and dissipated Hamiltonian system theory.

本文应用随机激励的耗散的哈密顿系统理论研究了二自由度碰撞振动系统的随机响应。

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"In some of the governorates, have not a single member working, without any source of income, which is in turn having a huge impact on their ability to afford rented accommodation and their ability to buy food in a country where the public distribution system is failing quite badly,".

VOA: standard.2009.09.20

One example from Uganda suggests that PETS results can make an impact on system improvement provided there is strong government commitment.

UNESCO: Accountability

Ridell started experimenting with them back in 2006 or so (See this article from MIT Technology Review) and a New Hampshire company called Simbex sells something called the Head Impact Telemetry system (HIT system get it, get it?) which would allow the NFL to start in right away.

FORBES: A Better Solution to the NFL's Concussion Problem

They also are a possible cause of melanoma, the deadliest of skin cancers, and may impact the immune system.

WSJ: European Sunscreen Roadblock on U.S. Beaches