And snow pressures on the ground and the coverings of greenhouses are calculated by mean density of snow in an area and new density of snow respectively.
并且为了提供更多的数据参考，本文采用各地区平均积雪密度和新雪密度分别计算出地面雪压和屋面雪压。
The fear is that melting ice, along with increased snow and rain, could reduce the density and salinity of the top layers of the sea, making them more buoyant.
人们担忧的是正在融化的冰和不断增加的雨雪可能降低海洋表层水体的密度和盐度，导致其更容易滞留在海洋表层。
The density of white shingles is greatest towards the top of the climbing tower, suggestive of snow, while grey and brown shingles surround the base.
白色瓦片的密度在攀岩塔的顶部是最大的，象征着雪，而灰色和棕色的瓦片环绕在底部。
He must adapt his speed and manner of skiing or snowboarding to his personal ability and to the prevailing conditions of terrain, snow and weather as well as to the density of traffic.
其滑行速度和方式应当和其个人滑雪水平相符，并且应根据地势、雪质、天气和雪场人口密度来选择以何种方式滑行。
He must adapt his speed and manner of skiing or snowboarding to his personal ability and to the prevailing conditions of terrain, snow and weather as well as to the density of traffic.
其滑行速度和方式应当和其个人滑雪水平相符，并且应根据地势、雪质、天气和雪场人口密度来选择以何种方式滑行。
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