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The pufferfish must be prepared a special way, by licensed chefs who undergo rigorous training, to be enjoyed.

河豚鱼必须由经过严格训练的有执照的厨师用一种特殊的方式烹饪才能食用。

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The riders and horses undergo rigorous training, including how to deal with the public in a variety of situations such as huge crowds of Olympic fans.

VOA: standard.2010.02.25

Throughout all of this, they are subjected to a course of rigorous study and physical training that will lead them to adopt prominent positions in the military and other branches of public service.

这一进程，需要他们遵循,严格的学习及体能的训练,以便他们顺利接掌重要的军职,及其它公共服务事项。

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Shell standards often exceed regulatory requirements, including a rigorous training program for well engineers.

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What is required is an organization with significantly higher standards, stronger leadership and much more rigorous training.

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Rigorous training and technology ensure that operators at call-centres also have details of wares at their fingertips.

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