长科院院刊 关 键 词： 预应力锚索；预应力损失；载荷分布；内锚固段；变化规律 [gap=1627]rds: prestressed cable；loss of prestress；load distribution；inner anchor segment；variation law
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zonal variation law 地带性规律
space variation law 空间变化规律
value variation law 价值变动规律
cycle variation law 周期变化规律
annual variation law 年变化规律
climate variation law 气候变化规律
diurnal variation law 日变化规律
climatic variation law 气候变化规律
sediment variation law 泥沙变化规律
The spatial variation law of seil erosion intensities within a small water-shed and the relationships between erosion intensities and landform or land use were researched.
进而研究了流域内侵蚀强度的空间变化规律及其与地貌和土地利用的关系。
参考来源 - 黄土丘陵区小流域土壤侵蚀空间变化定量研究·2,447,543篇论文数据，部分数据来源于NoteExpress
It is very important for us to assess the mechanism and variation law of ecological environment and its impact factors from regional scale, which will help to take protective measures.
从区域尺度评价地区生态环境的演化规律及影响因素，对于采取相应的环境保护措施具有重要现实意义。
By using orthogonal design, this paper systematically analysed the variation law of fiber morphology of Chinese fir wood from plantations with different ages, densities and growing sites.
应用正交试验设计方法，系统分析了不同林龄、不同立地条件和不同林分密度下人工杉木林木材纤维形态的变异规律。
The stress variation law with buried depth is analyzed;
采用回归方法分析地应力随埋藏深度的变化规律；
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