Phase five is marked by human-to-human spread of the virus into at least two countries in the same area of the world.

VOA: special.2009.05.06

And they remain two atoms per ion pair discretely bombing around in the gas phase.

每个离子对中仍含有两个院子,分散得分布于气相中。

麻省理工公开课 - 固态化学导论课程节选

Phase Two, in the middle Pleistocene phase--700,000 years ago.

第二阶段,在更新世的中期,约七十万年前

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

At first, the Strand-1 satellite will be controlled by a standard onboard computer, but in phase two of the mission, a Google Nexus phone will take the reins - equipped with a number of special apps.

BBC: Smartphone fired into space to see if screams can be heard

"Pfizer has 65 drug compounds in phase one, two or three testing, plus a huge sales force, " he says.

FORBES: Smart Money

Apart from its anti-cancer drugs Fusilev and Zevalin, Spectrum has 10 other oncology drug candidates that are now in clinical development, two of them in phase 3 clinical trials and several undergoing phase 1 and 2 clinical studies.

FORBES: Why This Tiny But Profitable Biotech May Be Gobbled Up By Big Pharma