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use value造句
31. Being proved of certain use value, this process can provide a new evaluation method for the administrators of oil depots and improve the safety management level of oil depots. 32. myisampack.exe Compresses MyISAM table Use VALUE COMPRESSION in create table statement to use the space saving row format at the column or table level to reduce space required for a table. 33. The theory is possessed of vast vista in application and use value. 34. This paper introduce some methods of detection and determination of iodine in salt. The visual colorimetry is simple and easy among them and has a use value. 35. Analyzing on the internal and external factors of the bed , have important development and use value. 36. In order to raise the use value of this list, we talk of their form features, bioecol-ogy characteristics and suitable collection period of each species briefly. 37. The results are of use value for simplifying the computation of line integral and surface integral. 38. The use value can be dividing into direct use value, indirect use value, option value, and quasi-option value. The nonuse value can be dividing into bequest value and existence value. 39. The total economic value of a resource is the sum of its use value and nonuse value. 40. Conclusions The evaluation program and method fit the standard requirement and are simple and reliable. They have higher use value. 41. The utility model has the advantages of simple and grand integrality, high integration, attractive appearance , material saving, labour saving and great use value. 42. The total economic value of natural resources including use value and nonuse value.