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- hard layered soil 较硬分层土
- If there had not been a hard layer of rock beneath the soil,they would have completed the job in a few hours. 如果土壤下面没有坚硬的岩石，他们早就在几个小时内完成这项工作了。
- If there had not been a hard layer of rock beneath the soil, they would have completed the job in a few hours. 如果土壤下面没有坚硬的岩石，他们早就在几个小时内完成这项工作了。
- When the robotic arm first reached that depth, it hit a hard layer of frozen soil. 当机械臂首次达到那个深度的时候，碰到了一层坚硬的冰冻土壤。
- This paper presents a matrix approach for calculating the pile settlement and shaft-load in layered soil. 提出了一种通过简单的矩阵运算求算分层土单桩的沉降和轴力的计算方法。
- The influence of sedimentation on overburden pressure and settlement of layered soil is studied and the relevant formulas are developed. 研究了沉积作用对成层地基自重应力与沉降的影响,给出了相应的计算公式,并对几种情况下的计算结果进行了分析比较。
- A random wave-theory analysis method is developed for the random seismic response analysis of layered soil sites under the P-and SV-wave excitations. 提出了P、SV波作用下层状土层地震反应分析的随机波动分析方法。
- The simulation results of the backscattering of multilayered soil, dielectric properties of soil are given and the models are validated by special case of single layered soil. 对裸露土壤深层后向散射、土壤介电特性给出仿真结果。通过已知的单层土壤(双层介质粗糙面模型)的后向散射验证了模型的正确性。
- The existence of a relatively hard layer just below the raft can remarkably enhance the load bearing action of raft. 地表硬壳层的存在能够有效地提高筏板的分担作用。
- CAI Yuan-qiang,LING Dao-sheng,ZHOU Di-yong.Inverse calculational analysis of ground motion in nonlinear layered soil[J].Journal of Vibration Engineering,2000,13(3):426-432. [6]蔡袁强;凌道盛;周迪永;等.;非线性分层地面运动反演分析[J]
- Inside the tooth, under the white enamel and a hard layer called the dentin, is a soft tissue called the pulp. 在牙齿内部，在白色的牙釉质和（淡黄色）硬质的牙本质下，是被称作牙髓的软组织。牙髓组织中包含了血管、神经和结缔组织。
- The space substructure method is used to analyse the space frame, and the finite layer summation method is used for the layered soil. 在分析中，上部结构用空间子结构法分析，而分层土用分层总和法求其刚度。
- The thick cooling hard layer exists on the surface of titanium alloy billet formed under conventional extrusion condition. 钛合金常规挤压时表面存在很厚的冷硬层,导致挤压抗力急剧升高,严重影响坯料成形。
- The modulus of base layer soil is related to upper vibrating compaction when filling the subgrade. 摘要路基填筑时，基底模量的大小对上层振动压实具有较大影响。
- In order to simplify the layered soil by this model, this article provides a variably damped least square method to identify the parameters by using the actual acceleration records. 为了将这一模型应用于此类土层，本文根据实际地震动记录，提出了一种变阻尼最小二乘反分析方法，可用来识别模型中的各个参数值。
- The cultivation layer soil phosphatase activity and N2O emission flux appeared negative relation markedly, with correlation coefficient of 0.4660. 结果表明，耕层土壤磷酸酶活性与土壤N2O排放通量呈显著负相关，相关系数为0.;4660。
- It is hard to sleep without a cooler in this room. 没有空气调节器，在这间屋里很难入睡。
- The dynamic interaction between structures and layered soils during earthquakes was studied analytically. 采用解析方法研究成层地基与结构物动力相互作用特性。
- The purpose of French polishing is to blend the hundreds of microscopic layers of shellac into one single, high quality, hard layer of shellac. 虫胶涂装就是要把千百层非常薄的漆形成一个融合的层，这样才会有最好的质量和硬度。
- A field representative to the high production -region in Yutian county, Hebei province was selected and a 70 kg top layer soil sample was taken from the field in June, 1991. 在河北省玉田县高产地区选一个有代表性的地块，1991年6月麦收后采集70公斤的耕层土样。
