Finally, these findings do not indicate a need for a change in phase level.

最后，这些结果并不表明需要改变预警阶段级别。

youdao

When the phase level was increased, the incident wavelength and the incident Angle range of the infrared anti-reflection were also increased.

台阶层数的增加，可增加红外抗反射入射波长和入射角的范围。

youdao

There's a lag phase, and there's a slow rise to an intermediate level of antibody concentration.

有一个迟滞期，抗体浓度缓慢上升至中间水平。

youdao

For the first time the W.H.O.raised its alert level from phase four to phase five on April twenty-ninth.

VOA: special.2009.05.06

There's a lag phase, there's a slow rise to an intermediate level of antibody.

会有迟滞期,在该时期,抗体浓度缓慢到达中间水平

耶鲁公开课 - 生物医学工程探索课程节选

Phase four means that a virus has gained the ability to cause community-level outbreaks.

VOA: special.2009.05.06

The highest level, phase 6, is defined by community-level outbreaks in at least one other country in a different WHO region, according to the agency.

CNN: WHO raises pandemic alert to second-highest level

The FDA has granted VivaGel fast track status, which has had little impact so far, but will really kick in at the phase 3 trial level, usually cutting the time it takes to get a product registered and on the market in half.

FORBES: New Nano Protection Against HIV And Herpes

Vanderwagen also told us he is all but certain that the World Health Organization will, within a few days, upgrade its status to the highest level, Phase 6.

CNN: John King: Flu and politics dominate Sunday talk