地下的

Using the calculation formula of reflection ecergy, transmissin energy and incidence energy and equivalent principle of electric signal received by detector and seismic wave energy reflected by underground lithologic boundary, the formula of interval velocity and strata density are derived.

根据运动学中的动量守恒定律、分析地震勘探过程中地震波在地下介质中的传播过程，利用反射能量、透射能量与入射能量的计算公式和检波器转化的电信号与地下密度界面反射地震波波动能量的效原理，推导出直接求层速度和层密度公式。

Of or relating to seed germination in which the cotyledons remain below the surface of the ground.

地下生的，地下产生子叶的种子萌芽的，或与之有关的，在这种萌芽里胚胎保留在地表面以下收藏反馈

Seen from the functional group, perennial grasses and forbs had stable compositions, but compositions and number of shrubs, half shrubs, small half shrubs, annuals and biennials were unsteadiness, where aboveground biomass in warmed plots was much difference with control. Nitrogen addition may enhance aboveground biomass obviously from latter growth stages.

施用氮肥的效果在植物生长后期才明显的表现出来，施氮样地地上生物量明显提高；增温和施氮作用使地下生物量发生了一定变化，但无显著差异；通过多元逐步回归发现，影响植物群落地上生物量和地下生物量最显著的因子是10-20cm土层的土壤湿度。

1 A German rendering of a Serbo-Croat term referring to the terrain created by limestone solution and characterized by a virtual absence of surface drainage, a series of surface hollows, depressions and fissures, collapse structures, and an extensive subterranean drainage network. 2 A type of topography that is formed on limestone, gypsum, and other rocks by dissolution, and that is characterized by sinkholes, caves, and underground drainage.

一个根据塞尔维亚－克罗地亚术语的德语，指石灰岩溶解形成的地形，特徵是：缺乏地表排水、一系列的表面空穴、凹陷和断裂、塌陷构造、和广阔的地下排水网络。2）一种地形，在石灰岩、石膏和其它岩石上溶失而形成，以灰岩坑、地穴和地下排水为特徵。

The probability distribution function and the corresponding statistical parameters of sharing ratio of internal pressure in bedrock for embedded penstocks in terms of design reference per.

根据已搜集到的国内外部分水电站地下埋管围岩内压分担率的实测数据，利用统计数学中的K-S法和A-D法等检验方法进行了统计分析和分布假设检验，求得了水电站地下埋管围岩内压分担率在设计基准期内的概率分布函数及其统计参数，证明其最优概率分布函数可用对数正态分布来拟合。

East Yansha, pure water and bank, refined – Taihua River BankNext to CBD and embassy zone, Taihua River Bank is located at South Road of Jiuxianqiao, out of East Fourth Loop, and next to the Liangma River. The community has a total square of 130,000 m2, 922 rooms, over 6,000 m2 greenbelt and nearly 700 underground parking lots with three-floored mechanic parking service. We provide medium volume to keep the purity of owners and elegance of community.

燕莎东纯水岸精装筑所——泰华滨河苑毗邻CBD，毗邻使馆区的泰华滨河苑，位于东四环外酒仙桥南路、亮马河畔，社区建筑总面积13万平米，由四栋板塔高层建筑和幼儿园、地下车库及会所组成，其中住宅部分10万平方米，共计922户精装修，小区中心绿地6000余平方米，地下车库为三层机械停车设备，停车位近700个，以适中的体量保障住户成分的单纯性和社区的高尚感。

Based on analysis of stress distribution in the wall rocks of underground opening and with the theory of slip line field s and Mohr Coulomb criterion, the characteristic of the plastic failure of the wall rocks has been studied.

在讨论地下围岩应力分布的基础上，用滑移线场理论和Mohr－Coulomb准则研究了地下洞室围岩进入塑性破坏状态的特征，推导了岩块沿滑移线滑落的条件，得到了岩爆发生时地应力的计算公式。

In 1963 several British coal miners found a stairs to the underground shaft when they excavated a tunnel in England. They heard clear sounds of movements of mechanical units from underground. But, soon the stairs and the entrance to the underground shaft disappeared without a trace.

1963年，英国的几名煤矿工人在挖掘一条隧道时发现一个通向地下井的楼梯，在楼梯口听到了地底下有清晰的机械运动声音，但楼梯和通向地下井的入口不一会儿就都消失得无影无踪了。

The results show high levels of toxic metal elements in both groundwater and surface stream water in the Lanmuchang Hg-Tl mineralised area and low concentrations in groundwater away from the mineralised area.

结果表明，已开采的 Hg-Tl矿区地下水和地表水中均有很高的毒害金属元素，煤采区地下水中亦表现出类似的特征，而 Hg-Tl矿区外围地下水中金属元素保持在较低的水平。

By taking account of the advantages and disadvantages of spatial model, the types of functions, including traffic, parking, commerce, facility room, chamber, administration, dwelling, storage, bomb shelter and underground courtyard, the key points in design have brought forward.

而且可以起到增大居住区的绿化面积，丰富居住区的空间利用层次，创造居住区良好生活环境的作用。要合理开发利用居住区地下空间，充分发挥其优势和潜力，就必须积极探索地下空间开发利用的多种途径和方法。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。