美国食品药品管理局（FDA）正寻找一种能快速追溯受污染食品的措施来阻止疾病爆发或缩短爆发周期。
The Food and Drug Administration is taking steps to prevent or shorten these outbreaks by developing the tools needed to rapidly track down foods that may be contaminated.
卡特拉似乎是半规律地喷发的，典型的周期是每次爆发之间相隔30到80年。
Katla seems to erupt on a semi-regular basis, with typical periods between eruptions of between 30 and 80 years.
那就是说，卡特拉正是在一个半正规的基础上喷发的，典型的周期是每次爆发之间相隔30到80年。
That said, Katla does seem to erupt on a semi-regular basis, with typical periods between eruptions of between 30 and 80 years.
其他对于大堡礁及其生态系统的环境压力来自径流的水质问题，伴随着大规模珊瑚白化的气候变化以及棘冠海星的周期性爆发现象。
Other environmental pressures to the reef and its ecosystem include water quality from runoff, climate change accompanied by mass coral bleaching, and cyclic outbreaks of the crown-of-thorns starfish.
这类活动的周期性爆发背后隐藏的是一股更深层次的趋势。
你可能不是个容易相处的人，因为你周期性情绪的爆发及偶尔发作的脾气暴躁。
You may not be an easy person to live with because of periodic outbursts of temper and sometimes cantankerous attitude.
南海季风爆发期间存在明显的季节内振荡，有两个显著振荡周期：一个峰值为20~30天，另一个峰值为40~50天。
There existed obvious intraseasonal oscillation and two significant periods of SCSSM , one was about 20~30 days, the other about 40~50 days.
伤寒，副伤寒，痢疾，小儿麻痹症，病毒性肝炎和食物中毒已成为该区地区性疾病，还有周期性爆发的霍乱。
Typhoid, paratyphoid, dysentery, polio, viral hepatitis and food poisoning are endemic in the area, and there are periodic outbreaks of cholera.
在这些问题解决之前，周期性生产过剩危机的不时爆发就是不可避免的。
It is inevitable that overproduction will break out from time to time before we have solved all the problems.
此外，统计还显示出许多耀斑爆发前谱斑亮度可能有着1—2天的周期性变化。
Besides these, the statistics tells us that flocculi brightness may have 1-2~d periodic changes before the outbursts of flares.
早在2002年的上一次太阳大爆发之时，他们就宣布这一次的太阳周期会更加猛烈。
As far back as the last solar maximum in 2002 it was announced that this cycle would be so much worse.
每个周期都是由特定的宿主和病原在特定环境中形成，如果每个因素都存在，那么疾病就会爆发。
Each cycle is made up of specific factors in hosts and agents within a specific environment such that if all the factors are present, then diseases or conditions of poor health will occur.
另一部分是周期性爆发的浮游动物（如长尾类、歪尾类的幼体）和一些潟湖本地种类。
The other source is the native lagoon species, such as periodical outbreak zooplankton (e. g. larvae of macrura, brachyura and anomura) and some endemic planktonic species;
玩家周围区域周期性的爆发并会对附近的队友造成伤害。
Periodically players in the zone will explode and damage nearby allies.
玩家周围区域周期性的爆发并会对附近的队友造成伤害。
Periodically players in the zone will explode and damage nearby allies.
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