cross index meaning in English

参照索引
对照索引

( 4 ) facing the data volume we faced are enormous , full of noise and different possible meanings , textminer chooses some data structures , such as hash set , cross indexing , and other redundant measures for the time performance trade - off
由于中文文本处理面对的文档个体数据量大、噪声多、语义歧义充斥，几xtminer选择了较为合理的数据结构，如哈希存储、双向索引和适当的冗余存储方案用于处理时间性能的改善。
This paper firstly focused on and evaluated the pollination characteristics of c . praecox , in half - natural habitat of nanjing . we investigated flowering phenology , flowering patten , pollen viability , stigma receptibility , species of visitors , visiting rate of visitors and their foraging behavior . and we also investigated its breeding system , including pollen - ovule ratio ( p / 0 ) , out - crossing index ( oci ) , pollen grains deposited in stigmas , pollen germination rate and seed set rate with different treatments , from 2002 to 2004
试验分别在2002 - 2003年和2003 - 2004年冬季进行，研究内容包括：花期物候观察、花部形态观察和统计、雌雄配子体功能测定、访问昆虫种类、访问行为、访花频率和效率；同时对蜡梅繁育系统进行了检测，检测内容包括花粉胚珠比( p / 0 ) 、杂交指数( oci )及不同处理花粉萌发率及结实率检测等等，同时还进行了蜡梅与亮叶蜡梅传粉过程比较。