Some environmental groups feel that even physically harmless tests could represent the first step onto a slippery slope that would ultimately lead to full scale deployment of these technologies.
一些环保团体认为，即使是一项本质上无害的试验，也有可能标志着滑向危险的第一步，根据滑坡理论，有了这第一步，就完全有可能最终导致全面大规模地应用这些技术。
Soil erosion forecasting model can be divided into three levels of slope, small watershed and region in spatial scale.
土壤侵蚀预报模型在空间尺度上可以划分为坡面、小流域和区域三个层次。
Inspired by the undulation of nearby mountains, the continuous slope roofs diminish the building scale and gain a series of massing and spacial variation.
连续折面坡屋顶的形式，进一步减小了建筑的尺度，形成统一而又富有韵味的形体和空间变化，并与自然山体轮廓相呼应。
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