The molecular geometries, the proton isotropic hyperfine coupling constants (hfcc) of SO -_2 and SO -_3, and the adiabatic electron affinities (AEAs) of the corresponding neutral molecules have been studied by performinig the quadratic CI calculations including single and double substitutions (QCISD) with the 6-311G(d), 6-311+G(d), 6-311G(2d) and 6-311+G(2d) basis sets.

Discrimination on the differences between attributive clause and appositive clause;

The author intends to classify the various types mentioned by the grammarians from the convenience of practical teaching and holds that it is much easier to teach from two points—— clauses and certain structures.

We did an experimental study about Chinese foreign language learners acquisition of clauses from the perspective of pragmatic transfer.

It is illustrated with examples that the infinitive can be substituted for the subordinate clause to make sentences more concise and more sprightl

In order to improve the performance of translating English complex sentence in a English Chinese translation system,we present a new approach to subordinate clause recognition using a corpus based method.

In different contexts, "but" can serve as a coordinating conjunction, which can express various meanings, and as a subordinating conjunction, which can introduce different kinds of subordinate clauses.

Analysis of the use of subordinate clauses in a written text;

With simple,understandable examples,this paper intends to make a systematic analysis and summarization of the transformation between subordinate clauses and non-finite verbs,through which the author puts forward some universal regularity and suggestions,aiming to improve the students capability of the variety and accuracy in both oral and written English.

Abctract This article expended the translation methods of some subordinate clauses in scientific Russian.