To happen at the same time or during the same period.
同时发生发生在相同时间或相同时期
the relation that exists when things occur at the same time.
同时发生的事情同存在。
Maybe both is happening at the same time.
也许两者同时发生。
an unfortunate concurrence of events
事情不幸同时发生.
the two spoke in unison.
这两件事是同时发生的。
The two events coincided.
这两件事同时发生了。
(of events,etc)happen together
（指事情等）同时发生
a series of coincident events.
一系列同时发生的事件。
The fire coincided with the earthquake.
火灾与地震同时发生。
On "simultaneous success" or "simultaneous occurrence;
是“同时胜利论”还是“同时发生论”
Happening at the same time as something else.
同时发生的和其他情况在相同时间发生的
Happening or existing at the same time.
同时发生的发生在或存在于相同时间的
occurring or existing at the same time or having the same period or phase.
同时发生或存在的、同时期的或同阶段的。
To regard or place in the same time period; synchronize.
同时发生认为或使…处于同时代；使…在时间上一致
To agree exactly, as in opinion;concur.
一致，同意完全同意，如在意见上；同时发生
Supply Chain Coordination with Demand and Production Cost Disruptions
需求和生产成本同时发生扰动时的供应链协调
an adjustment that causes something to occur or recur in unison.
促使其同时发生或出现的调整。
This event was almost simultaneous with that one.
这件事几乎是与那件事同时发生的。