There are three comparative relations among those "comparison sentences" from Han to Qing Dynasty:equal comparison,general comparison and unequal comarison, their structures being various yet each one having its own feature.

Comparison on the product trapping ways in the m-phthalonitrile production;

A Comparison of Modern Women Formal Dress Culture between Shes in Zhejiang and Miao in Guizhou;

A comparison of acoustic emission characteristics in typical ply stacking angle of UHMWPE/LDPE composites;

The analyses compares and application of the daily soft starter of the belt conveyer;

To compare the results from two kinds of automatic biochemistry analyzers;

Test and compare several types of ventilators;

The Same Source and the Different Current Direction——on the comparision of changing path of Lu Xun s and Zhou Zuo-ren s ideologies of humanitarianism.;

Having a integrated comparision of three kinds of technology, provides a choice basis for the model of made-nitrogen equipments in Petro-chemical complex.

In the meantime it also preseats some main technical properties,construction,features of home box transformer substation and comparision with American box transformer substation.

A comparative analysis of R&D project evaluation methods;

Soilless culture comparative analysis of different base substances;

The Comparative Methods of the Programme on visual FoxPro;

The contrast of two processes for production of powdered AP by "slurryconcentration method;

Contrast of a Few Calculating Methods on Fall Velocity of Water Drops Lei A’lin;

The contrast between recognitions on Europe of Binchun and Wangtao;