The compatibility of ir smoke interfering material in shell .

红外烟幕干扰材料在弹中的相容性。

The chopper 's got nothing on ir but us .

直升机的红外线除了我们什么都没检测到。

Spitzer 's ir instruments can capture the heat radiation put off by dust particles in the ring which starts some 3.7 million miles from saturn and extends outward another 7.4 million miles .

斯皮策望远镜上的红外线设备可以俘获环尘埃发出的热辐射，这个巨大的环内侧距离土星600万公里，向外一直扩展到1800万公里处。

Er , with closed long e , joined the kaleidoscope and sometimes became ir .

含有闭元音长音e的er，经过千变万化，有时变成了ir。

Research on system evaluation also leads the direction of ir development and becomes more accurate .

检索评价研究也有针对性地引导着情报检索的发展方向。