Boxing and unboxing conversions Warns about automatic boxing operations, which may impact performance, and breaks assumptions about object identity for type wrapper objects.

boxing and unboxing conversions对自动装箱操作发出警告(装箱操作可能影响性能)，并且不再对类型包装对象做对象身份的假设。

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The competition includes a prepared speech in Chinese and a Chinese art and cultural show which includes Chinese pop song singing, poem reading, Taiji Boxing and drama performance.

比赛包括汉语演讲、中国文化艺术表演（选手可以唱中文流行歌曲、朗诵中文诗歌、打太极拳、戏剧表演）。

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More important, Mr. VanDemark sensed that boxing was helping his performance as a musician.

WSJ: Music Students Hit the Boxing Ring

Rhythm and drums will provide the main musical backbeat to a performance which may be staged in a boxing ring.

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Meanwhile, the BBC understands that Irishman Gary Keegan has been offered the role of performance director for the newly-formed British Amateur Boxing Association.

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