The country was urgently calling for peace while in the meantime secretly doing nuclear tests.

该国急切呼吁和平的同时却又在秘密进行核试验。

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While in the meantime, OFDM has its own shortcomings: its sensitivity to a frequency offset and the high peak-to-average ratio.

但是与此同时，OFDM技术自身存在着两个主要的缺点：对频率偏差敏感；

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Cultural consumption in our country has taken on an increasing development impetus, while in the meantime, some problems have also emerged that cannot be neglected.

我国文化消费在呈现发展势头增强的同时，也出现了一些不容忽视的问题。

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One possibility is that the Health Minister will allow the board to transfer services to England - but place a time restriction of perhaps two years on it, while in the meantime ordering Betsi Cadwaladr to build up an indigenous service in Wales.

BBC: Over-rule on the cards on health?

It makes sense, but shifting a longstanding cultural preference could take a while and in the meantime elephants are being slaughtered at an alarming rate.

FORBES: Why the Ivory Problem Requires Dealing with Supply Not Demand

You may need to remind them every once in a while, and in the meantime, teach your child that when they're unsure about a food, they need to say, "No, thank you!"

CNN: Food allergy diagnosis: What parents should know