范围: scope; limits; extent; boundary; confines; range; range dimension; spectrum 短语和例子活动范围 scope of activities; 势力范围 sphere of influence; 范围狭小 limited in scope; 国家管辖范围 the limits of national ju
电缆: cable; electric cable 短语和例子海底电缆 marine cable; 同轴电缆 coaxial cable