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.

e.g. He is very keen to reach agreement with the US on reducing long-range nuclear missiles.
他很想和美国达成协议，减少远程核导弹的数量。
e.g. ...the growing use on the North Atlantic routes of long-range twin-engined aircraft.
远程双引擎飞机在北大西洋航线上越来越多的使用

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.

e.g. Eisenhower was intensely aware of the need for long-range planning.
艾森豪威尔深谙长远规划的必要性。
e.g. ...a bold, complex, and long-range strategy for improving US education.
一项大胆、复杂的改善美国教育水平的长远策略

adj

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