The strength of their defense against the five forces determines whether they earn above - or below-average profits.

企业抵御五种力量的实力决定了它们是否获得高于或低于平均水平的利润。

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Neighbouring South Africa has also reported 3000 cases, but the strength of its health care and water and sanitation systems have seen the case fatality rate remain below 1%.

此外，据邻国南非报告，南非境内共有3000个病例，但因该国强大的卫生以及供水和环卫系统，病死率保持在1%以下。

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High Numbers of cases are also reported in neighbouring countries, especially South Africa, where the relative strength of the health care system has enabled the CFR to remain below 1%.

在邻国也报告发生了大量病例，尤其是南非。在南非，卫生保健系统的相对强势使病死率保持在1 %以下。

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At full strength, the unit should have 89 soldiers but is currently below strength at 40.

BBC: Jersey TA unit wants more reserve soldiers

The Black and Ambers played well despite being well below strength, resting key players in readiness for Tuesday's much tougher home test against Llanelli.

BBC: Matt Mostyn

Some watches are running below strength.

BBC: Leicestershire fire service defends 9% tax rise