n. 登记, 注册, 入伍, 入学, 入会, 注册人数, 入学人数

[ noun ]
the act of enrolling
<noun.act>

Enrollment \En*roll"ment\, n. [Cf. F. enr[^o]lement.] [Written
also {enrolment}.]
1. The act of enrolling; registration. --Holland.

2. A writing in which anything is enrolled; a register; a
record. --Sir J. Davies.