这种方式给出了分子的结构式。

This gives us the structural formula of the molecule.

这种方式给出了分子的结构式。

This gives us the structural formula of the molecule .

层次结构式序列存取方法

Hierarchical sequential access method (HSAM)

在确定一个化合物的结构式之前，首先应知道它的分子式。

Before we can assign a structural formula to a compound, we must first know its molecular formula.

适当的化学性质资料，比如结构式，经验式和分子量等。

Appropriate chemical attribute information, such as structural formula , empirical formula , and molecular weight.

适当的化学性质资料, 比如结构式, 经验式和分子量等.

Appropriate chemical attribute information, such as structural formula, empirical formula, and molecular weight.

通过对化合物进行适当的物理和化学测定，从而提出分子的结构式。

Proposal of a structural formula as the result of appropriate chemical and physical examination of the compound.

关系数据库便由结构式平面文件组成.

A relational database comprises a set of well structured flat file.

方法：简单随机抽样问卷调查和非结构式访谈。

Method: Using simple random sampling survey and non-structured interviews.

研究的方法，以半结构式问题，进行深度访谈。

For the in- depth interview the semi-structured programming method is used to collect data.