The environment coefficient usually relates to some external environment factors, such as the distance to genetic sag and the contact degree to frontal sand body of delta.
环境系数通常与距离生油凹陷的远近及与三角洲前缘砂体的接触程度等外部环境因素有关。
In concrete structure, due to coefficient of conduction for concrete is small, when external environment changes sharply, the change for internal temperature has distinct hysteresis.
在混凝土结构中，由于混凝土导热系数小，外部环境急变时，内部温度变化存在明显的滞后现象。
Based on Chinese Resources and Environment Database, the vegetation coverage index for each county and its provincial normalized coefficient of 1995 and 2000 of Hubei province are calculated.
以中国资源环境数据库为支撑，计算出1995和2000年湖北省各市县植被覆盖指数及省级归一化系数。
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