您要查找的是不是：
- Natural period of soil site 地基固有周期
- The results showed that the activity of soil protease was higher in rhizosphere during the growth period of clover and ryegrass. 结果表明 ,不同植物对微生物量氮周转率的影响不同。
- Let us hope that the period of this injustice will be over soon. 让我们希望这个不公正的时期很快结束吧。
- Cultivation by covering with plastic film can effectively restrain the invalid evaporation of soil moisture, especially before the period of jointing. 覆膜栽培可有效抑制农田水分的无效蒸发，具有明显的抗旱增产作用。
- Childhood is a period of rapid growth. 幼年是生长迅速的时期。
- There are some clods of soil on the mat. 垫子上有些土块。
- Which period of history are you studying? 你正在学哪一段历史？
- This kind of soil contains much alkali. 这种土壤含碱丰富。
- Study on the relation of predominant period of site and natural period of structure 场地卓越周期与结构基本周期关系研究
- Tons of soil was excavated from the building site. 建筑工地里面挖出了好几吨的泥土。
- This was the most difficult period of his life. 这是他一生中最艰难的时期。
- It's rich there because of the fertility of soil. 因为土地肥沃，那儿很富裕。
- A condition, time, or period of flowering. 花期一种开花的状态、一段开花的时间或时期
- Clods of soil stuck to the spade. 土块黏在铁铲上。
- The Natural Period of Motions of FPSO in Shallow Water 浅水浮式生产储油轮运动固有周期特性
- The capital cost is amortizable over a period of ten years. 资本费用可在十年之内分期偿还。
- Seismic test of soil site rupture under fault displacements 覆盖土层场地地震断裂实验
- The new government ushered in a period of prosperity. 新政府的成立带来了一个繁荣的时期。
- The ratio between soil evaporation and crop evapotranspiration in each month and in the whole growing period of winter wheat are obtained from observed evolution of soil evaporation rate in the field. 在农田水量平衡的各种计算模型中，总是用参照腾发量与作物系数的乘积计算作物总腾发量，而如何将土面蒸发与叶面蒸腾分开，一直是困扰着人们的难题。
- The lectureship is tenable for a period of three years. 讲师这一职位任期三年。
