The results show that the rainfall is the main factor influencing the Longyangxia reservoir inflow in high flow period and while the recession of the river basin and river network in low flow period.
结果表明:降雨是丰水期影响龙羊峡水库入库径流的主要因子。 枯水期则主要以流域和河网的退水为主。
参考来源 - 龙羊峡水库入库径流中长期预报问题的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
A low density cement slurry of zero thickening transition period which was appropriate to low temperature and shallow flow cementing operation in deepwater was introduced.
介绍了一种新型的用于海洋深水低温浅层流固井作业用的零稠化转化时间低密度水泥浆体系，该水泥浆体系采用新型高强快速凝固水泥制备。
According to forecast, water flow shall be low during dry period of 2006-2007 and water supply in the Pearl River Delta shall be threatened by salty tide again.
据预测，珠江流域2006—2007年度枯水期来水依然偏枯，珠江三角洲地区将因咸潮继续面临严峻的供水局面。
High gene flow via spore dispersal in an earlier period when C. thalictroides was widely distributed in China is a plausible reason for the low genetic differentiation among populations.
孢子扩散引起的高的基因流可能是导致水蕨种群间低的遗传变异的主要原因。
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