as”)to express the two compared items sharing the same degree,of“NP1+gan+NP2+VP”(that o f“more than”)and“NP1+busheng/(buzhao)+NP2+VP”(that of“not more t han”)to express the difference by VP existing between the two compared items ,of“NP2+NP1+zui +VP”(that of“the most”)to express the superlative de gree of NP2.

Control technologies and measures of alpine meadow desertification, Hainan prefecture, Qinghai province;

Ecological adaptability of four alpine species of the genus Rhododendron transplanted from higher to lower altitude;

The weed in mixed perennial artificial grassland in alpine region of Tianzhu was studied and the results indicated that: 1) The number of species of annual weeds decreases from the oneyearold grassland to the fouryearold, however, the species of perennial weeds greatly increases.

Dynamic changes of T-AOC, SOD, MDA in plasma and skeletal muscle of wound track after gunshot wound in pig limbs in high altitude, high cold and war environment;

Through the study on the climate characteristics of high cold area of Qingzang Railway and using the construction experience in cold area (northeast china) for reference the technological measures of cold proof and heat insulation of tunnel s winter construction in high cold area are proposed.