For example, all JDBC calls in any object type roll up to the database level to summarize the average elapsed time and volume of requests for all calls to the database.
例如，任何对象类型中的全部JDBC调用都上升到数据库级别，从而为所有的数据库调用汇总平均运行时间和请求量。
One risk, says Mr Didio, is that Free will roll out its network too slowly and will have to pay expensive fees to the big three for keenly priced calls outside its network.
Didio先生说，他们要冒这样一个风险，“自由”铺设网络的速度太慢，到时候不得不向三巨头支付高昂费用，才能在它自己的网络没有覆盖的地方维持通话，而这些地方接打的费用十分低廉。
By establishing a transaction, you can execute a series of such calls while retaining the ability to roll them back.
借由建立交易，您可执行一系列这种呼叫却仍能保留将其复原的能力。
By establishing a transaction, you can execute a series of such calls while retaining the ability to roll them back.
借由建立交易，您可执行一系列这种呼叫却仍能保留将其复原的能力。
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