Based on systematology and the recognition to underground environment and root mass, the paper submits the conception of plant species stable layer in underground habitat and survival regions for the first time.
基于对地境和根群的认识,从系统论的角度首次提出了植物物种地境稳定层及生存域概念,运用多种理化指标的组合状态对黑河中下游多年生植物物种地境稳定层层位进行了确定,深度范围为40～100cm。
This article introduced the original support structure da mage situation on kilo meter deep well unstable stratu m at the well of Tangkou, expounded choosing of strengthening .
本文介绍了唐口矿井千米深井不稳定地层泵房原有支护结构破坏情况,阐述了加固方案的选择和修复加固工程设计及其原理,并就工程施工、监测、加固效果等问题展开讨论。
AStudy of the Construction Technology of Horizontal Frozen Hole in the Adjacent-channel in Instable and Complex Formation
复杂不稳定地层条件下旁通道水平冻结孔施工工艺研究
slowly But surely
稳扎稳打地，确定不移地
Research on the Prediction Methods of Surface Movement and Deformation in Unstable Seam
不稳定煤层地表移动变形预测方法研究
make by laborious and precarious means.
艰苦地不稳定地获得。
Study on Wellbore Stability of Fractured Formation in Xujiaweizi Area
徐家围地区裂缝地层井壁稳定性研究
STABILITY EVALUATION OF FOUNDATION FOR TALL BUILDINGS IN GOB SITES
采空区场地高层建筑地基稳定性评价
forge constantly onwards
坚定不移地稳步前进
To let flow or fall in drops or an unsteady stream.
使滴下或不稳定地流
The Glauconite Sandstone is a persistent stratigraphic unit.
海绿石砂岩是一个稳定的地层单元。
Research on in-situ stresses and borehole stability of coal seam in Jingbian gas field
靖边气田煤层地应力及井壁稳定研究
DISCUSSION ON SEVERAL ISSUES OF SEEPAGE STABILITY OF DEEP FOUNDATION PIT IN MULTILAYERED FORMATION
多层地基深基坑的渗流稳定问题探讨
Stability evaluation of mine goaf with multi-coal seams and complex landform
复杂地貌多煤层采空区的稳定性评价
Longwall mining along the dip of the unstable coal seam and strata control
不稳定煤层倾斜长壁开采及矿压控制
Stability Analysis of Single Layer Lattice Shell With Irregular Division
不规则划分单层网壳结构稳定性分析
Mechanical borehole stability test study in highly-dipped laminated formation
高陡层理性地层井壁稳定性模拟试验研究
the quality of not being steady or securely fixed in place.
不稳定或不会固定在某个地方。
Piles transfer Building loads down to a suitable Bearing stratum when the soil mass immediately Below a construction is unsuitable for the direct Bearing of footings.
若土壤松软,而不能在其上直接建地基,就必须建桩来将建筑物的重荷转移到稳定的地下层。
Instability Problem of ALM Tree with Stable Members
固定组成员的应用层组播树不稳定问题