Producing ethylene through oxidative coupling of methane(OCM)is the main focus in natural gas conversion field in the world since 1980s.

甲烷氧化偶联制乙烯是80年代以来世界上天然气转化研究的突出热点。

youdao

The annotations (shown in bold) on each class definition and most of the field definitions supply configuration information that JAXB USES to control the conversion of objects to and from XML.

每个类定义上的注释(用粗体显示)和大部分字段定义提供了配置信息，供JAXB用于控制对象与XML的转换。

youdao

Custom data conversion is necessary if you need to convert field data into an application-specific value object, as in the following examples.

如果需要将字段数据转换为特定于应用程序的值对象，则需要自定义数据转换，如下面例子所示。

youdao

The Irish fly-half then set up Howlett to score in the corner with a delightfully executed cross-field kick, adding his fifth conversion to increase Munster's advantage.

BBC: Munster 45-18 Toulon

They stormed from behind to beat Army and secure this trophy with a third quarter that included two field goals, two touchdowns, a two-point conversion, and two takeaways.

WHITEHOUSE: President Obama Presents the Commander-in-Chief Trophy

Carr's 67th-minute try for Connacht was scant consolation, particularly as Edinburgh went straight back down the field for Grant to go over, with Paterson's conversion bringing up a total of 27 points for the Scotland full-back.

BBC: Edinburgh 62-13 Connacht