Which one is sky-wave propagation? ( )

以下关于@Transactional注解可配置的参数信息及秒正确的是()。 A: value用于指定需要使用的事务管理器，默认为"" B: read-only用于指定事务是否只读，默认为true； C: isolation用于指定事务的隔离级别，默认为Isolation.READ_COMMITTED； D: propagation用于指定事务的传播行为，默认为Propagation.SUPPORT

的propagation属性表示事务的传播行为，下列哪些是propagation属性的常用值() A: supports B: required C: RequiresNew D: new

Which one is sky-wave propagation? ( )‍‌‍ 未知类型：{'options': ['', '', ''], 'type': 102}

Which of the following statements are true types of types of local consistency for constraint propagation?

___________, we would be in a difficult situation. A: If it wasn't for their support B: If it weren't for their support C: If it isn't for their support D: If it aren't for their support

Empirical observations on actual North-South trade patterns tend to? support the validity of the Leontief Paradox.|support the validity of the neo-imperialism exploitation theory.|support the validity of the Heckscher-Ohlin model.|support the validity of the wage equalization theorem.

Each piece of support should be clearly relevant to the point it is used to support（ ）

中国大学MOOC: To support evidence and exemplification from sources to support an argument is literature review.

To support evidence and exemplification from sources to support an argument is literature review. A: 正确 B: 错误