be subjected to 和 be subject to 用法上有什么区别

1，subject是作为动词,第二个是作为形容词.
subject
vt.
使服从, 使隶属(to)
使受到, 使遭到(to)
adj.
易受... 影响的
受...支配的, 附属的
以...为条件[转移]的; 须经[有待于] ...的(to)
2，be subject to：
（1）可能受……的影响,
Flights are subject to delay because of the fog.
(2) 取决于,视……而定,
The article is ready to publish,subject to your approval.
(3) 受……支配,服从于,
All nuclear installations are subject to international safeguards.
be subjected to：
(1)被纳入,服从于,顺从于,
Most of the Europe was subjected to the Roman Empire in history.
(2) 遭受,
The city was subjected to heavy bombing.

be subjected to
受到…；经受
be subjected to experiments 被迫接受试验
be subjected to ridicule 遭受讥笑

be subject to
受支配，从属于；常遭受…；有…倾向的
be firm subject to 以……为条件
be not subject to 不受制约
be not subject to appeal 不得上诉