血浆血栓素B2和6-酮-PGFlα测定结果的变化,下列哪项是正确的() 前者增高,后者降低,临床有血栓形成。 前者降低,后者增高,临床有血栓形成。 二者均增高,临床有血栓形成。 二者均降低,临床有血栓形成。
What methods are available to recover lost control files?() Backup control file.。 Emergency control file.。 The create controlfile command.。 The restore controlfile SQL*Plus command.。 No backup is required. The database will re-create the control file when it is discovered to be lost.。
()时间查受试外源化学物能否通过妊娠母体引起胚胎毒性或后代畸形的动物试验。 雌性生殖毒性试验。 急性毒性试验。 致突变试验。 致畸试验。
Companycom is purchasing a p5 595 as part of a large server consolidation. They are planning on using micropartitioning and Virtual IO to consolidate small machines. They used the rPerf numbers for AIX 5.3 to size their solutions. They discovered that their application is not yet certified on AIX 5.3, so they will have to use AIX 5.2. What changes should be made to their configuration?() Increase memory。 Add more adapters。 Increase both processors and adapters。 Increase the number of processors by 20 - 30%。
You lost the index tablespace in your database. You are not able to use tablespace pointintime recovery on the index tablespace. What could be the reason for this?() The index tablespace contains bitmap indexes.。 The index tablespace contains more than one data file.。 The index tablespace supports only complete recovery.。 The index tablespace is not a dictionarymanaged tablespace.。 There is a dependency relationship between a table and its indexes.。
根据大坝安全状况,实际抗御洪水标准不低于部颁水利枢纽工程除险加固近期非常运用洪水标准,但达不到《防洪标准》(GB50201-94)规定的坝属于()。