Some examples include personalization, utility, and reporting services supported by standards such as JSR-47, which defines a standard logging API for error and trace logs.
比如jsr - 47这类标准支持的个性化定制、工具和报告服务，这类标准定义了用于错误和跟踪记录的标准日志api。
Determines optimal operating efficiencies and take necessary corrective measures when variance from standards are excessive through logs and utility data.
确定最佳操作效率，并采取必要的纠正措施，当与标准存在过多的差异时，通过日志和实用程序数据。
China and the United States have somewhat less stringent mileage standards, although they can still be hard for automakers to meet if they produce a lot of big cars and sport utility vehicles.
中国和美国的油效标准多少没那么严格，但既便如此，对大量生产大型车辆和运动型多功能车的汽车生产商来说，要达到这些标准也还是有困难的。
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