circulating period

基本解释

III. Establishing a system of timely circulating notices and informing the court of the period of custody.
建立及时通报制度，告知法院羁押期限。
The vaccine is derived from the most commonly circulating strain of rotavirus, and also offered good protection against some other strains across the two-year period.
这种疫苗是根据最常见的轮状病毒毒株制成的，而且在两年的时间里也能很好地保护人体不受其它一些毒株的感染。
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For very high hardness of water in north area, new technology is applied to increase concentrating ratio of circulating cooling water to meet with the code, ensuring long period operation of plants.
对于北方地区高硬度水质，采用新技术和改变管理理念，提高循环冷却水浓缩倍数，保证了循环冷却水质的各项指标，为生产装置长周期运行创造了条件。