低层次语言符号组成高层次语言符号时，它们彼此之间的结构关系称为（）。
Mary has a view called EMP_DEPT_LOC_VU that was created based on the EMPLOYEES, DEPARTMENTS, and LOCATIONS tables. She granted SELECT privilege to Scott on this view. Which option enables Scott to eliminate the need to qualify the view with the name MARY.EMP_DEPT_LOC_VU each time the view is referenced?（） ["Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command CREATE PRIVATE SYNONYM EDL_VU FOR mary.EMP_DEPT_LOC_VU; then he can prefix the columns with this synonym.","Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command CREATE SYNONYM EDL_VU FOR mary.EMP_DEPT_LOC_VU; then he can prefix the columns with this synonym.","Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command CREATE LOCAL SYNONYM EDL_VU FOR mary.EMP_DEPT_LOC_VU; then he can prefix the columns with this synonym.","Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command CREATE SYNONYM EDL_VU ON mary(EMP_DEPT_LOC_VU); then he can prefix the columns with this synonym.","Scott cannot create a synonym because synonyms can be created only for tables.","Scott cannot create any synonym for Mary's view. Mary should create a private synonym for the view and grant SELECT privilege on that synonym to Scott."]
游离黄酮类化合物一般分子呈平面型，它在水中溶解的程度（）与非平面型分子。例如（）在水中溶解大与（）。
违反治安管理行为人有下列哪些情形，应当给予行政拘留处罚的，不执行行政拘留处罚。（） ["已满十四周岁不满十六周岁的","已满十六周岁不满十八周岁，初次违反治安管理的","94C、七十周岁以上的","怀孕或者哺乳自己不满一周岁婴儿的"]
下桑塔纳2000型轿车门窗主控开关上的安全开关，（）们车窗开关被切断电源，不起作用. ["右前车窗开关","右后车窗开关","左后车窗开关","左前车窗开关"]
精馏中雾沫夹带的含义是什么？操作中控制的标准是什么？
