压，绝对压力，大气压的关系（） p表压＝p绝－p大。 p绝＝p大－p表。 p大＝p表－p绝。
You are developing a report to allow customers in a department store to view product information. You added a button to the layout to allow customers to view the picture of the product. Which button property would you alter to specify the source of the .BMP file?（） Type 。 Multimedia file 。 Multi media file type 。 Label type。
在拟建工程任务十分紧迫、工作面允许以及资源保证供应的条件下，可以组织（） A.平行 。 B.顺序 。 C.流水 。 D.依次。
You are creating a tabular report for the sales department with a department break group. You need to ensure that if al least six sales records will not fit at the button of a page, the group will start on the next page. Which printing frame property would you alter to achieve these results?（） Source 。 Print direction 。 Maximum records per page 。 Minimum Widow records 。 Column mode。
开孔机刀具结合器尾部做成内螺纹的作用是（） 过渡。 密封。 定位。 使结合器与驱动环结合。
Your database operates in ARCHIVELOG mode and all the tablespaces are online. Due to a user error， you decided to perform an incomplete recovery. Which two tasks would you be required to perform in the recovery process？（）
