n.

1. 【數】【物】參（變）數，參（變）量[C]
2. 因素，特徵[C]
3. 界限[P1]
   There is plenty of scope for experimentation, provided we remain within the parameters of the budget.

   只要我們不超過預算，可以試驗的方面是很多的。

n.

1. a measurable or quantifiable characteristic of a system.
2. Mathematics  a quantity which is fixed for the case in question but may vary in other cases.
3. a limit or boundary which defines the scope of a particular process or activity.