英语词汇class index怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	class index
释义	class index 简明释义 [统计] 组指数 [统计] 类指数网络释义 1 ?分类索引 ... 专利号码索引 numerical patent index 分类索引 category index; cla ified index; class index; classfied diet; classified index 专利号索引 patent number index ... 短语 1 accuracy class index 科技准确度等级指数 2 Chemical Class Index 化学分类索引 3 shape class index 形状等级指数双语例句 1 One class index sets target of 18 2 class. 一级指标下设18个二级指标。 2 This class can create a new index or open an existing index and add documents to it. 这个类能创建一个新的索引或者打开一个已存在的索引并为该所引添加文档。 3 If you define uniqueness on multiple attributes within a class, create one index that includes all the attributes. 如果在一个类中的多个属性上定义惟一性，那么应该创建一个包含所有这些属性的索引。
随便看	environmental health information environmental health monitoring environmental health monitoring and surveillance environmental health monitoring station environmental health officer Environmental Health Officers Association Environmental Health Perspectives environmental health problems Environmental Health Science environmental health sciences environmental health scientist Environmental Health Service environmental heat environmental heat load environmental heterogeneity environmental history environmental hormone environmental horticulture environmental hot forming process environmental hydraulics environmental hydrobiology environmental hydrochemistry environmental hydrogeologic survey environmental hydrogeology environmental hydrology

英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。