If you looked at the antibodies that were present in the blood, for example, you would find that most of those antibodies are IgM during this initial period of antibody concentration rise.

如果你现在观察血液中存在的抗体,举个例子,在初次免疫的抗体浓度上升阶段,你将会发现大部分的抗体都是IgM

耶鲁公开课 - 生物医学工程探索课程节选

During the initial period of trading, an underwriter will attempt to stabilize the price of a new stock but beyond that are not allowed to manipulate the price.

FORBES: Does Facebook Present A Conflict of Interest For Morgan Stanley Mutual Funds?

We should also expect a variety of prices and advertising models during the initial experimentation period.

ENGADGET: Conde Nast stakes out 'leadership position' on iPad

If the cooling system were to lose power during the initial decay period of 24 to 48 hours, a meltdown would likely follow.

FORBES: U.S. Military Scrambles to Avoid Nuclear Meltdown in Japan