This method can be reliably performed in the laboratory if properly prepared sample, s are used.

如果使用正确制备的样品，该方法在实验室条件下是可靠的。

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If properly prepared, it could be a very useful, good material for efforts to limit emissions of carbon dioxide in the concrete industry.

如果经过恰当的预处理，糠皮就能够在混凝土工业中成为限制二氧化碳排放的优质有效材料。

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If we are prepared properly and are optimistic we are likely to incorporate the chance encounter and use it as a positive experience.

如果我们有适当准备并且乐观，我们就能与机会好好“合作”，并产生积极的体验。

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If not properly prepared, you are guaranteed not to succeed, not to reach the summit.

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"Antenatal care tends to be very woman-focused, but if fathers play a role in parenthood then they should be properly prepared too, " she said.

BBC: NEWS | Health | Father's blues can blight babies