论述往复活塞式压缩机气缸的安装程序及方法。
热油炉烟道气温度高以后应把烟道挡板（） 调到小倾斜角度。 倾斜角度调大。
明代朱载堉用“新法密律”建立起科学的（），其科学性至今仍得到肯定。
You are managing an Oracle Database 10g database that uses Oracle Managed Files （OMF）. You enabled the block change tracking feature for the database. Which statement regarding the change tracking file is true？（） One block change tracking file is created for each data file. By default， the file is created in DB_CREATE_FILE_DEST.。 One block change tracking file is created for each data file. By default， the file is created in BACKGROUND_DUMP_DEST.。 One block change tracking file is created for the database. By default， the file is created in DB_CREATE_FILE_DEST.。 One block change tracking file is created for the database. By default， the file is created in BACKGROUND_DUMP_DEST.。
The accounting manager wants you to create a form that when queried will display a calculated total of year-to-date actual expenditures for the fund code entered. The value needed to generate this summary data are stored in multiple tables. How would you define the data source for this data block without having the DBA create a database object? （） Choose Tools -> Data Block Wizard, select View as the data source type, and base the block on the columns from the bales. 。 Choose Tools -> Data Block Wizard, select Table as the data source type, and base the block on the columns from the tables. 。 Select the Data Blocks node in the Object Navigator and click the Create button. Choose to build the data block manually and alter the Query Data Source Columns and Query Data Source Arguments properties to enter the SELECT statement. 。 Select the Data Blocks node in the Object Navigator and click the Create button. Choose to build the data block manually, alter the Query Data Source Type property to 'Table', and enter the SELECT statement in the Query Data Source Name property. 。 Choose Tools -> Data Block Wizard, select Stored Procedure as the data source type, and base the block on the columns the tables. 。 Select the Data Blocks node in the Object Navigator and click the Create button. Choose to build the data block manually. Alter the Query Data Source Type to 'FROM' clause query', and enter the SELECT statement in the Query Data Source Name property.。
Which three of the following are consirered Fixed Asset Deprecation Rule Components ？（）
