1.
tropospheric fall out
对零的放射性沉降物
2.
delineation of fall out contours
放射性沉降物轮廓图
3.
anabatic wind fall out
上坡风放射性沉降物
4.
long range fall-out
远程(放射性)微粒沉降
5.
giant particle (GP)
(核爆炸沉降物中)强放射 性粒子
6.
area of military-significant fallout
具有军事意义的（放射性）微粒沉降地区
7.
The slow descent of minute particles of debris in the atmosphere following an explosion, especially the descent of radioactive debris after a nuclear explosion.
放射性粒子的沉降爆炸后放射性粒子通过大气缓慢下降，尤指核爆炸后放射性粒子的下降
8.
radioactive sediment density probe
放射性沉积物密度探针
9.
The nuclides that were dispersed and settled as "fallout" varied in their effect upon living plants and animals.
作为“放射性尘埃”在大气中弥散和沉降的各种核素对生长着的动植物有着不同的影响。
10.
beta backscattering sedimentometer
【冶】β射线反散射沉降仪
11.
Radionuclide distribution in sediments and sedimentary rates in seas surrounding Xiamen
环厦门海域沉积物放射性核素分布与沉积速率
12.
centrifuge for drying radioactive precipitates
干燥放射性沉淀物用离心机
13.
The Air Particle Two Sews the Shape to Paste the Wall Jet Flow Settling of Particies Characteristics Test Research
气粒两相缝状贴壁射流颗粒沉降特性试验研究
14.
radioactive fall-out( dust carried by winds around the earth after a nuclear explosion,etc)
放射性微粒回降（核爆炸等之后放射性尘埃随风散落到地面）
15.
Because of the continuous decay, the quantity of radioactive material and the rate of emission of radiation decrease steadily.
由于连续衰变的结果，放射性物质的数量，辐射发射率都逐渐下降。
16.
In its early stages the rain was augmented by the small water droplets still descending from the radioactive cloud.
开始时，从放射性云下沉的小水滴使雨势增大。
17.
Measurement of Radionuclides in Sediments Core by HPGe γ Spectroscopy
海洋沉积物岩心放射性核素的γ谱测定
18.
Distribution of radionuclides at surface sediments in Chukchi Shelf
楚科奇海陆架区表层沉积物放射性核素的分布