The first three months is a probation period.

最初三个月是试用期。

By the way, I was in my probation period then.

顺便提一下，当时我还在试用期。

Do employees here need to go through a probation period?

这里的员工需要经过试用期吗？

The probation period can be defined by contract deadline.

试用期可以按照劳动合同签订期限来定义。

The probation period is included in the term of a labor contract.

试用期包含在劳动合同期限内。