thinning of the ozone layer  臭氧层逐渐变薄

Convention for the Protection of the Ozone Layer  保护臭氧层公约

thickness of the ozone layer  臭氧层的厚度

Vienna Convention for the Protection of the Ozone Layer  保护臭氧层维也纳公约

thinning of the Arctic icecap  北极冰盖逐渐变薄

thinning of the furnace wall  减薄炉墙

basaltic layer of the earth’s crust  地壳玄武岩层

bottom layer of the reinforcing steel  底层钢筋

comparison of the boundary layer of the Tibetan Plateau with the tropical ocean area  边界层特征对比

control layer of the station  站控层

Decaying layer of the  表面残余应力

Different layer of the compost  不同料层

Early stage of avascular necrosis of of the femora  早期股骨头缺血坏死

expansion of the ozone hole  臭氧层空洞越来越大; 臭氧层空洞的扩大

Fascia layer of the penis  阴茎筋膜

ground layer of the atmospheric  近地层

Invasion limited in the layer of muscularis mucosae  黏膜肌层浸润

lower layer of the atmosphere  近地层

Properties of the layer  镀层性能

sedimentary layer of the earth’s crust  地壳沉积层