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- Jin D W, Wang Y F, Ma P Z.Dynamics analysis on water inrush through coal bottom stratum[J].Journal of Xi'an Mining Institute, 1997,17(4):354-356. [5]靳德武;王延福;马培智.;煤层底板突水的动力学分析[J]
- As shown in the result, the acid exchangeable, reducible, oxidable and residual forms of thallium all existed in the up, middle and down bottom stratum of the sediment core. 结果表明，铊以酸可交换态、可还原态、可氧化态和残余态在上、中、下层沉积物中均有分布；
- The results showed that plankton presened significant differences in the horizontal distribution at upper and lower winds as well as the vertical distribution at surface and bottom stratum. 结果表明，浮游植物在池塘的上、下风位水平分布和表、底层垂直分布存在显著差异。
- They sent the enemy ship to the bottom of the sea. 他们把敌舰击沉。
- The child was sitting on the bottom stair. 那孩子正坐在楼梯最下面的一级上。
- I intend to get to the bottom of it. 这件事我打算寻根究底。
- He was always bottom of the class in maths. 他的数学成绩在班上总是垫底。
- The dregs have settled at the bottom of the bottle. 渣滓都沉到瓶底了。
- I fell right to the bottom of the stairs. 我从楼梯上一直摔到楼梯下面。
- The police found a body at the bottom of the lake. 警方在湖底发现了一具尸体。
- His bottom waggle in a funny way when he walk. 他走路时臀部扭来扭去，很可笑。
- Analysis on the Stochastic Characteristic of the Hydrauic Conductivity of Bottom Stratum, Beitang Reservoir, Tianjin City 北塘水库库底地层渗透系数的随机特性分析
- The bottom of the boat was rusty. 船底生锈了。
- There is a pair of scissors in the bottom drawer. 最底下的抽屉里有把剪刀。
- Prices have reached rock bottom. 价格已经到了最低点。
- Every indication show market get near bottom now. 所有迹象表明，目前市场价格已跌落低谷。
- They represent each society stratum. 他们代表各个社会阶层。
- She knocked the bottom out of our argument. 她把我们的论点驳得体无完肤。
- Her dress flared out towards the bottom. 她的裙子在下摆处呈喇叭状展开。
- Please dust all the books on the bottom shelf. 请把底层书架上的书都掸一掸。
