The method of analysing the social structure with structural unit as starting point 从结构单元为起点的社会结构分析方法
Control technology - part 6 : terms and definitions of functional and constructional units 控制技术.第6部分;功能单元和结构单元术语和定义
Study on microstructure unit character and its swell - shrink property for physico - chemical soft rock 物化型软岩微结构单元特征及其胀缩性研究
Q . how do you define a " significant structural element " in an api starting material 问：请问如何定义api起始物料中的“重要（有效）结构单元” ？
Pu is a polymer with urethane segment repetitive structure unit formed after the reaction of tdi and ppg 摘要聚氨酯是由异氰酸酯与多元醇反应制成的一种具有氨基甲酸酯链段重复结构单元的聚合物。
Utilizing the benefits of varactor and bowtie and fractal structures , some interesting characteristics of these elements were found 该结构单元为设计宽频带、动态方向图扫描的阵列反射天线奠定了基础。
The plastic kinetic response of rivet is analyzed by sequentially coupling which take the first step ' s result as initial conditions 将仿真出的电流和电磁场结果作为初始条件，采用间接顺序耦合方法分析铆钉结构单元的塑性动力响应。
After analyzing of geometrical parameters to the pulp molded units and its distribution , getting the summary factors that affecting the pulp molded performances 通过对纸模结构单元的几何参数及其分布的分析，总结得出影响纸模性能的因素。
It was understood that atoms were the smallest elements . it is known now that atoms are further divided into nuclei and electrons , neutrons and protons , etc 以前人们认为原子是最小的结构单元，现在才知道原子还可以分为原子核和电子、中子与质子等。
There are four main methods by far , nonlinear finite element method , idealized structural unit method , direct calculation method and simplified method 目前，计算总纵极限弯矩的方法主要有四种，即非线性有限元法，理想结构单元法、直接计算法和简化方法。
