【单选题】如图所示,刚体受三个不为零的力的作用,则( )说法是正确的。【图片】
C.
情况( a )、( b )两种情况都无法平衡
D.
情况( a )、( b )两种情况都有可能平衡
【单选题】Evaluate the following command: SQL>ALTER SYSTEM SET db_securefile = 'IGNORE'; What is the impact of this setting on the usage of SecureFiles?()
A.
It forces BasicFiles to be created even if the SECUREFILE option is specified to create the LOB
B.
It forces SecureFiles to be created even if the BASICFILE option is specified to create the LOB
C.
It does not allow the creation of SecureFiles and generates an error if the SECUREFILE option is specified to create the LOB
D.
It ignores the SECUREFILE option only if a Manual Segment Space Management tablespace is used and creates a BasicFile
【判断题】经常参加排球运动,能培养勇敢顽强、机智灵活的心理品质和团结协作的集体主义精神。( )
【判断题】经常参加排球运动,能培养勇敢顽强.机智灵活的心理品质和团结协作的集体主义精神。
【简答题】Fourth of July - English to C h inese 1. Life's challenges are not supposed to paralyze you; they're supposed to help you discover who you are. 2. I am not supposed to be commanding this Army -- I am ...
【简答题】A centrifugal pump with a double inlet rotor is of a type used for many duties where a large capacity output is required. As the forces acting on either side of the rotor are the same, no thrust actio...
【单选题】The set of forces and conditions that originate with global suppliers, distributors, customers, and competitors and that affect an organization’s ability to obtain inputs and dispose of its outputs re...