因为有原informix实例的克隆，甚至可以在不接触原informix实例的情况下完成第二个Informix实例的所有升级。
Since there is a clone of the old Informix instance, all upgrades on the 2nd Informix instance can be done without even touching the old Informix instance.
此阶段有一个步骤是配置第二个Informix实例并将其用作原informix实例的克隆。
There is a step at this stage; to configure the second Informix instance and use it as a clone of the old Informix instance.
新工艺与原工艺及离子交换法工艺相比较均有较明显的优势，适合于有二氧化碳和氨资源的化肥厂采用。
Compared with the old process or ion exchange process, the improved process shows clear advantage and is suitable to be used in a fertilizer plant having carbon dioxide and ammonia resources.
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