单边带信号在短波频段内十分拥挤，因此要接收单边带信号就需要一个高抗干扰的通信接收机，过去由于器件的落后，直接影响先进方案的实施。

SSB signals become very crowed in short-wave frequency range, so a good anti-noise communication receivers is needed to receive SSB signals.

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在阿鲁沙(大概需一天路程)则提供有更先进的不孕治疗方案。

More advanced infertility treatment options are available in Arusha, about a one-day journey away.

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为了支持商业变化，我们需要的是一个集成了先进IT方案开发方法的全面的商业变化方法。

To support business change, what is needed is a comprehensive business change methodology that incorporates leading IT solution development methods.

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