Aspect is an important grammatical category of the English verbs, but views on this differ greatly, as in the number of sub-aspects, which undoubtedly presents a big problem for the English teaching.

The present article offers a systematic discussion of the "aspect" as an independent grammatical category, which consists of the two subcategories of aspectual character and aspectual state, each with their own respective subdivisions and different functions.

The English verb also has aspect category, and many scholars and grammarians have carried studies about it.

Automatic recognition of rat s postures based on contour curvature and hierarchical clustering analysis;

The necessity of opening posture courses in teachers colleges;

Study and Application of Animal Behavior Automatic Analysis Based on Posture Recognition;

As a dynamic community and transmitting, the features of the TV news programmes are reflected by the media structure of video and audio and the tense mode of present continuous tense and body language and style of personality achieved in the universal speech and features combining “broadcasting” and “speaking”.

Compatibility and crystal morphology of cocoa butter substitutes and cocoa butter

In this paper, we restudy the hsianghualite morphology, based on the fact that the right and left forms appear on hsianghualite morphology,it is realized that the right and left forms can not combine each other on a single crystal morphology but can compose a twin.

In this paper,we discussed some classical and basic concepts of crystal morphology(positive and negative forms,right and left forms,general and special forms).

Mycelial morphology are exploited a great influnence to the metabolites of fungi.

The effects on the production and cost of fumaric acid of nutritional components, mycelial morphology, the control of pH and the technology of separation and recovery are discussed in detail.