二级构造带 second-order structure zone ; second-level tectonic belt
四级构造 quaternary structure ; protein quaternary structure
二级构造单元 secondary building unit ; SBU
分级构造 hierarchy construction
次级构造单元 Secondary Building Unit ; SBU
级构造单元 secondarybuilding units ; SBUS
次一级构造 sub-first grade structure
蛋白质的初级构造 primary protein structure
构造等级 Construction Class ; tectonic magnitude
绥滨坳陷是三江盆地的次一级构造单元，位于三江盆地的西部。
Suibin depression, as a secondary tectonic unit, lies in the west of Sanjiang basin.
燕山运动控制着盆地次一级构造单元的格局及局部构造的形成。
Formation of the secondary structural units of the basin and formation of local structures are controlled by Yanshan movement.
一级构造层序揭示了盆地经历了5个构造演化阶段，形成5个盆地原型。
The 5 first order tectonic sequences show that the 5 types of basins are formed in 5 evolution stages.
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