There is little information here on how regularly or extensively your swap space is being used.
其中有关交换空间的定期或全面使用情况的信息非常少。
Bacteria (and viruses) regularly swap DNA.
细菌(还有病毒)经常交换DNA。
They also want to swap information more regularly on a wide range of drug development and safety issues.
他们也希望定期就广泛的药物开发和安全问题交换更多的信息。
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