有些攀岩者一生都致力于抱石这种艺术，而一些最难的线路是紧贴地面的。
There are climbers out there who have devoted their life to this art and some of the hardest moves are closest to the ground.
应用反射率十字图解研究了中国部分地区下古生界地层中动物有机碎屑笔石的光学各向异性。
The optical anisotropy of zooclast graptolite in some Paleozoic strata of China has been studied using reflectance cross-plot analysis.
材料的选择尚未最终敲定，但目前的计划是用某种光石覆盖建筑，与生混凝土建筑Habitat 67形成细微的对比。
Material choices have not been finalised, but the current plan is to clad the building in some kind of light stone - offering a slight contrast to the raw concrete of Habitat 67.
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