1. （军事装备或运载工具）远程的
A long-range piece of military equipment or vehicle is able to hit or detect a target a long way away or to travel a long way in order to do something.

2. （计划、预测）长远的，长期的
A long-range plan or prediction relates to a period extending a long time into the future.

1. suitable for or reaching long distances

e.g. long-range nuclear capability

2. involving an extended span of time

e.g. long-range goals