1) a third class retrival
三级检索
1.
The project, which makes use of the system s ability of automatic processing to meet the students need for study, satisfies the user s require in two parts and proposes a third class retrival project aiming at the answering the student s questions.
在方案中利用两个部分来满足用户的要求 ,同时在对学生疑问的解答上提出了三级检索的设计方案 ,利用了系统的信息自动处理能力 ,满足了学生的学习需
2) hierarchical retrieval
分级检索
1.
By referring to hierarchical retrieval,Gabor filter is first used to extract the global energy feature,and then LBP operator is used to extract the local feature,which are used to classify twice.
借鉴分级检索的思想,先采用Gabor滤波器提取掌纹的全局能量特征,后采用LBP算子提取局部特征实现两次分类。
3) advanced searching function
高级检索
1.
This article explain in details the skills of using advanced searching function,professional searching function,and CNKI information retrieval tool of usage technique.
本文通过实例介绍高级检索、专业检索、CNKI搜索工具的使用技巧。
4) two grade retrieval
二级检索
5) elevator seeking
升级检索
补充资料：苯并三唑-1-三(三甲氨基)-三氟磷酸酯
CAS: 56602-33-6
分子式: C12H22F6N6OP2
分子质量: 442.28
熔点: 136-140℃
中文名称: 苯并三唑-1-三(三甲氨基)-三氟磷酸酯
英文名称: (1-hydroxy-1h-benzotriazolato-o)tris(n-methylmethanaminato)-phosphorus(1++
benzotriazol-1-yloxytris(dimethylamino)-phosphonium hexafluorophosphate
benzotriazol-1-yl-oxytris(dimethylamino)phosphonium hexa-fluorophosphate(bop)
benzotriazol-1-yl-oxy-tris(dimethylamino)phosphonium hexafluorophosphate
分子式: C12H22F6N6OP2
分子质量: 442.28
熔点: 136-140℃
中文名称: 苯并三唑-1-三(三甲氨基)-三氟磷酸酯
英文名称: (1-hydroxy-1h-benzotriazolato-o)tris(n-methylmethanaminato)-phosphorus(1++
benzotriazol-1-yloxytris(dimethylamino)-phosphonium hexafluorophosphate
benzotriazol-1-yl-oxytris(dimethylamino)phosphonium hexa-fluorophosphate(bop)
benzotriazol-1-yl-oxy-tris(dimethylamino)phosphonium hexafluorophosphate
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条