The paper analyzes, from the angle of product quality, the best practice in the industry and the influence relations of five factors (Delivery form of product, Structure of develop team, Develop process model, Standard of software quality and Engineering technology) to the product quality, and lists the combination of five factors in the industry classic application.

This paper introduces the occurrence law and morphological identification of jujube inchworm in two jujube areas of Yaodu District, and advances some measures for the prediction, forecast and prevention.

Megalopae morphological differentiation of Eriocheir sinensis and some crabs of the family;