接地汇集线:接地汇集线是指作为接地导体的条状铜排,通常作为接地系统的主干(母线),可以敷设成环形或() 条线。 扁线。 树形。 线形。
患者,女性,27岁。因足底被锈钉刺伤后5d,出现咀嚼不便、张口困难,随后牙关紧闭及全身肌肉强直性收缩,阵发型痉挛,诊断为破伤风。治疗该患者应首选的抗生素是() 甲硝哇。 红霉素。 青霉素。 四环素。 新霉素。
Which two statements are true about the Application Grid ?() Application Grid computing brings key industry-leading technologies like MS IIS and Grade WebLogic Server together.。 Application Grid computing promotes well architectured sharing of resources.。 Application Grid computing based on Oracle’s RAC technology.。 Application Grid computing results in more predictable behavior through better instrumentation and more optimal allocation of resources.。
You enabled Flashback Data Archive on the INVENTORY table. Which DDL operation is supported on the table after enabling Flashback Data Archive?() Drop the table.。 Partition the table.。 Truncate the table.。 Add a column to the table.。 Rename a column in the table.。
关于生物利用度的叙述,正确的是() 指药物被吸收利用的程度。 指药物被机体吸收和消除的程度。 生物利用度高表明药物吸收良好。 是检验药品质量的指标之一。 包括绝对生物利用度和相对生物利用度。
You find that the execution time of reports in your datawarehouse application is significantly high. You suspect the lack of indexes to be the reason for the degradation in performance. Which advisory component would you refer to, in order to determine the appropriate indexes?()