Select three true statements regarding Coherence（） [" Coherence provides stronger data management than an Application Server"," Coherence provides better scale-out performance than a Application Server"," Coherence provides better scale-out performance than a Database Server"," Coherence provides better througput than a JMS messaging server Coherence provides stronger configuration management than Grid Control"]
电伴热系统可使各种管线和容器内的液体在冬天时温度维持在（）左右，从而保证液体不冻结，管线不堵塞 ["5℃","6℃","7℃","8℃"]
游戏中儿童可以自由变换动作、姿势，可以多次重复感兴趣的动作而不受限制，可以使中枢神经系统的机能状态调到最佳水平，说明游戏可以满足儿童（） ["生理发展的需要","认知发展的需要","社会性发展的需要","自我表现、自我肯定的需要"]
半隐框、隐框玻璃幕墙的玻璃板块应在洁净、通风的室内打注硅酮结构密封胶，下列环境温度和相对湿度符合要求的是（）。 ["温度15℃，相对湿度30%","温度20℃，相对湿度40%","温度25℃，相对湿度50%","温度40℃，相对湿度60%"]
Which three statements are true about logical structures of the Oracle database（） ["Each segment contains one or more extents.","Multiple tablespaces can share a single data file.","A data block is the smallest unit of input\/output （I\/O） in data files.","It is possible to have tablespaces of different block sizes in a database.","Each data block in the database always corresponds to one operating system block."]
相图的作用？
