工作选择不当可能会限制你成功的机会。
The wrong choice of job might limit your chances of success.
旅游限制的放松意味着他们可以自由地旅游和工作。
The relaxation of travel restrictions means they are free to travel and work.
我们必须在时间紧迫、资金紧张的限制下工作。
We have to work within severe constraints of time and money.
They do that in a very special way in that they - restriction enzymes are able to identify a particular sequence of bases in a gene.
限制性内切酶的工作机制很特别,它能识别基因中的一段特定的碱基序列
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