Is there the intermediate-range composition-dependent force (usually called the fifth force)? Is there also other basic interaction? This is one of the fundamental problems in physics.

是否存在一种与物质成份相关的中程力（通常称为第五种力）?还有其它相互作用力存在吗?这是人们一直追寻的基础研究课题之一。

youdao

The two countries agreed in 1987 under the Intermediate-range Nuclear Forces treaty to not possess, produce or flight-test any ground-launched missiles that could fly between 500 and 5,500 kilometers.

美俄两国在1987年根据“中程核力量条约”同意不拥有、不生产或不试飞任何航程可达500至5500公里的从地面发射的导弹。

youdao

It comes from ballistic missiles short-range and intermediate-range ballistic missiles.

VOA: standard.2009.10.23

At the time, the U.S. had intermediate range ballistic missiles in Turkey.

FORBES: Obama's Cold War? Raytheon Missiles On Russia's Border By 2018

Its 1996 manifesto called for producing and deploying missiles under development in India, the short-range Prithvi and intermediate-range Agni.

ECONOMIST: India

The launch will undoubtedly be a test of an intermediate-range missile, not an attack.

FORBES: China Helped North Korea Target American Cities