查询词典 compaction

It is the soil mass maintained by the umbrella-shaped root system of trees during the geological history,and it is formed by the interactive compression of tree load and growth of main root system and by the differential compaction of surrounding soil mass;in other words,it also is a kind of the sedimentary textite or sedimentary structure formed under the influences of biological process.

它是地质历史中，树木伞状根系所维系的土体，在树木的自重荷载和主干根系生长的相互挤压作用下与外围土体的差异压实造成的；换言之，它又是一种在生物作用影响下形成的沉积结构体或沉积构造。

This machine is a lightweight and efficient tool to track bed compaction.

本机是一种轻便高效的道床夯实工具。

According to the complexity of the sulphate salty soil,the paper analyzes the harm and the cause of the sulphate salty soil from the salt expansion,the collapsibility and the corrosion,studies the dynamic compaction to eliminate the collapsibility of the sulphate salty soil foundation,and puts forward the anti-corrosion measures.

针对盐渍土问题的复杂性，从盐胀性、溶陷性、腐蚀性方面分析了硫酸盐渍土的危害及其产生原因，结合具体情况，对强夯法消除硫酸盐渍土地基的溶陷性进行了研究，并提出了防腐处理措施，通过实际工程中的成功应用说明了该方法的可行性。

Methods: Fourty-five mandibular second premolars with single oval-shaped root canal were prepared with step-back technique and filled with warm vertical compaction technique. The teeth were divided into three groups randomly: ProTaper group, Mtwo group and manual stainless group. The operating time was recorded.

45颗具有椭圆形根管的下颌前磨牙经逐步后退法预备、热牙胶垂直加压充填后随机分为3组，分别用ProTaper再治疗器械和ProTaper器械，Mtwo再治疗器械和Mtwo器械，手用H锉和K锉去除牙胶。

To realize the goal of collecting rainfall and keeping fertilizer, this design uses a ridge-like rolling wheel with adjustable spring to compact ridge, and through adjusting the force of spring to form water flow barrier with different compaction intensities.

利用单圆盘起垄覆盖施肥带，并采用仿垄形加压式镇压器对垄面进行镇压，通过改变弹力来实现镇压力的调整，形成不同紧实度的水分运动障碍层，达到集雨保肥的作用。

The cement coagulation earthen road pavement stave compaction technology is a repair major damage cement road surface new technology, can solve the old cement road surface to spread the reflection crack question which the brea bed produces, has the building cost of projects to be low, the construction is convenient, affects the small merit to the transportation, provides the good driving performance for the newly built road surface.

水泥混凝土路面破碎压实技术是修复严重损坏水泥路面的一项新技术，能够解决旧水泥路面加铺沥青层所产生的反射裂缝问题，具有工程造价较低，施工方便，对交通影响小的优点，为新建路面提供良好的行车性能。

This result shows that slope form, depth of A+AB soil horizons, soil texture, soil compaction and management level are very important factors, and slope position, slope direction and to the scores of digitizing site indices, site types were ...

根据数量化立地指数得分表划分立地类型，以探讨木荷在各立地上的生长趋势并对立地质量进行了评价。本文还对木荷造林地的选择作了初步探讨。

This shock increases the vibrating force working on the concrete and finally causes the compaction of the blocks.

设计上增加了栈板的强制限位支撑，当向下运动时，栈板冲击限位支撑，冲击使激振力倍增，最终形成对砌块的振动压力。

Chung assured me of compaction sand, sand to improve strength, promote self-feeding capacity of castings.

2舂箱时保证型砂的紧实度，提高砂型强度，促进铸件自补缩能力。

The method for measuring resistance parameter of earth body of sediments on surface in deep sea includes steps: in sampling procedure in seabed, closing speed of the perching knife keeps sampling at uniform speed 2cm/s; using current process system of static probing data can analyze resistance data so as to obtain parameters including intensity, compressibility, compaction degree, and thickness state of sediments, and bearing capacity etc.

深海表层沉积物的土体阻力参数的测量方法是在海底取样过程中，该铲刀闭合速度保持2cm/s的匀速取样，用现有的静力触探数据处理系统即可对采集的阻力数据并进行分析，得出沉积物的强度、压缩性、密实度、稠度状态和承载力等参数。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。